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Re: [PATCH] [BZ #20900] Call __res_vinit if _PATH_RESCONF is changed

From: "H.J. Lu" <hjl dot tools at gmail dot com>
To: Joseph Myers <joseph at codesourcery dot com>
Cc: GNU C Library <libc-alpha at sourceware dot org>
Date: Thu, 1 Dec 2016 11:23:33 -0800
Subject: Re: [PATCH] [BZ #20900] Call __res_vinit if _PATH_RESCONF is changed
Authentication-results: sourceware.org; auth=none
References: <20161201185641.GA15507@intel.com> <alpine.DEB.2.20.1612011858430.23993@digraph.polyomino.org.uk>

On Thu, Dec 1, 2016 at 11:02 AM, Joseph Myers <joseph@codesourcery.com> wrote:
> On Thu, 1 Dec 2016, H.J. Lu wrote:
>
>> The content of _PATH_RESCONF may change over time with DHCP.
>> __res_maybe_init should check if _PATH_RESCONF is changed.  Otherwise
>> a long-running process will get wrong DNS results if _PATH_RESCONF is
>> changed by DHCP.
>>
>> Any comments?
>
> This bug is either a duplicate of or related to bug 984.  There are
> various patches out there, e.g. one in Debian, and also claims of problems
> with those patches.

It looks very similar.  Does anyone have a link to Debian's patch?


-- 
H.J.

Follow-Ups:
- Re: [PATCH] [BZ #20900] Call __res_vinit if _PATH_RESCONF is changed
  - From: Mike Frysinger

References:
- [PATCH] [BZ #20900] Call __res_vinit if _PATH_RESCONF is changed
  - From: H.J. Lu
- Re: [PATCH] [BZ #20900] Call __res_vinit if _PATH_RESCONF is changed
  - From: Joseph Myers

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