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Re: Fwd: [PATCH] Don't allow attackers to inject arbitrary data into stack through LD_DEBUG
- From: Andreas Schwab <schwab at suse dot de>
- To: Rich Felker <dalias at libc dot org>
- Cc: Paul Eggert <eggert at cs dot ucla dot edu>, Alex <alexinbeijing at gmail dot com>, libc-alpha at sourceware dot org
- Date: Thu, 13 Aug 2015 09:56:42 +0200
- Subject: Re: Fwd: [PATCH] Don't allow attackers to inject arbitrary data into stack through LD_DEBUG
- Authentication-results: sourceware.org; auth=none
- References: <1439153945-22973-1-git-send-email-alexinbeijing at gmail dot com> <87fv3s83td dot fsf at igel dot home> <CACsECNf6dB8cAG4EHpox=tg8=+SbeWTb9J=T4zArLtmdQjqkHQ at mail dot gmail dot com> <CACsECNeWcACbJ50wYcrWL804G9o7T8eZT57oFZWS17jVZ98SxA at mail dot gmail dot com> <mvmzj1zmssr dot fsf at hawking dot suse dot de> <CACsECNcLeZW7WnC1mOM7AssN8xatAAHhEOnPAv9VUnup_cmU=Q at mail dot gmail dot com> <55C868DE dot 30909 at cs dot ucla dot edu> <mvmr3nbmrlz dot fsf at hawking dot suse dot de> <20150813020521 dot GC31018 at brightrain dot aerifal dot cx>
Rich Felker <dalias@libc.org> writes:
> On Mon, Aug 10, 2015 at 11:15:36AM +0200, Andreas Schwab wrote:
>> Paul Eggert <eggert@cs.ucla.edu> writes:
>>
>> > Presumably the original author didn't know about "%.*s".
>>
>> It didn't exist back then.
>
> This is factually incorrect.
Read the history before making such a bold statement.
> C89
_dl_error_printf isn't C89.
Andreas.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
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