From: Carlos O'Donell <carlos@redhat.com>
To: Florian Weimer <fweimer@redhat.com>,
GNU C Library <libc-alpha@sourceware.org>,
Andreas Schwab <schwab@suse.de>,
"Dmitry V. Levin" <ldv@altlinux.org>
Subject: Re: [PATCH] Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug, 23259, CVE-2011-0536 ).
Date: Wed, 06 Jun 2018 15:59:00 -0000 [thread overview]
Message-ID: <0ba1f0fc-b48a-17ac-3730-9fd31bad516e@redhat.com> (raw)
In-Reply-To: <8bbb5ce3-f0ee-9656-1e11-17ba07d7722f@redhat.com>
On 06/06/2018 10:15 AM, Florian Weimer wrote:
> On 06/06/2018 07:02 AM, Carlos O'Donell wrote:
>> +/* Passed the start of a DST sequence at the first '$' occurrence.
>> +Â Â See the DL_DST_COUNT macro which inlines the strchr to find the
>> +Â Â first occurrence of '$' and optimizes that likely case that there
>> +  is no DST. If there is a DST we call into _dl_dst_count to count
>> +  the number of DSTs. We count all known DSTs regardless of
>> +Â Â __libc_enable_secure; the caller is responsible for enforcing
>> +Â Â the security of the substitution rules (usually
>> +  _dl_dst_substitute). */
>
> Maybe kill DL_DST_COUNT? It doesn't look useful to me.
Killed.
>> +     /* All DSTs must follow ELF gABI rules, see is_dst (). */
>> +Â Â Â Â Â if ((len = is_dst (name, "ORIGIN")) != 0
>> +Â Â Â Â Â || (len = is_dst (name, "PLATFORM")) != 0
>> +Â Â Â Â Â || (len = is_dst (name, "LIB")) != 0)
>> Â Â Â Â Â ++cnt;
>
> len is never read, so you can remove the variable.
Removed.
v2 patch coming up.
Cheers,
Carlos
next prev parent reply other threads:[~2018-06-06 15:59 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-06 5:03 Carlos O'Donell
2018-06-06 14:01 ` Florian Weimer
2018-06-06 14:55 ` Carlos O'Donell
2018-06-06 14:17 ` Florian Weimer
2018-06-06 15:59 ` Carlos O'Donell [this message]
2018-06-06 15:47 ` Andreas Schwab
2018-06-06 16:01 ` Carlos O'Donell
2018-06-06 16:10 ` Carlos O'Donell
2018-06-06 16:31 ` Andreas Schwab
2018-06-06 17:10 ` Carlos O'Donell
2018-06-06 17:28 ` Florian Weimer
2018-06-06 18:49 ` Carlos O'Donell
2018-06-06 18:56 ` Florian Weimer
2018-06-06 20:04 ` Carlos O'Donell
2018-06-07 6:49 ` Andreas Schwab
2018-06-08 2:08 ` Carlos O'Donell
2018-06-11 8:04 ` Andreas Schwab
2018-06-12 3:08 ` Carlos O'Donell
2018-06-12 7:31 ` Andreas Schwab
2018-06-12 12:46 ` Carlos O'Donell
2018-06-12 13:02 ` Andreas Schwab
2018-06-12 13:03 ` Carlos O'Donell
2018-06-06 20:19 ` Carlos O'Donell
2018-06-07 11:38 ` Florian Weimer
2018-06-08 2:14 ` Carlos O'Donell
2018-06-07 12:16 ` Florian Weimer
2018-06-08 4:15 ` Carlos O'Donell
2018-06-08 5:21 ` Florian Weimer
2018-06-08 5:46 ` Carlos O'Donell
2018-06-08 5:50 ` Carlos O'Donell
2018-06-07 12:43 ` Florian Weimer
2018-06-08 5:37 ` Carlos O'Donell
2018-06-08 5:45 ` [PATCH v4] " Carlos O'Donell
2018-06-08 5:51 ` Florian Weimer
2018-06-08 6:03 ` Carlos O'Donell
2018-06-08 6:25 ` Florian Weimer
2018-06-11 2:55 ` Carlos O'Donell
2018-06-11 7:28 ` Florian Weimer
2018-06-11 14:44 ` Carlos O'Donell
2018-06-12 3:46 ` Carlos O'Donell
2018-06-12 13:08 ` [PATCH v6] " Carlos O'Donell
2018-06-12 13:20 ` Andreas Schwab
2018-06-12 13:23 ` Andreas Schwab
2018-06-12 14:10 ` Carlos O'Donell
2018-06-12 14:34 ` Andreas Schwab
2018-06-12 14:31 ` Florian Weimer
2018-06-12 14:36 ` Carlos O'Donell
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