[PATCHv5][PING^3][BZ #17833] _dl_close_worker() does not release inconsistent objects.

[Pavel Kopyl]

On 07/07/2015 06:30 PM, H.J. Lu wrote:
> On Tue, Jul 7, 2015 at 12:41 AM, Yury Gribov <y.gribov@samsung.com> wrote:
>> On 07/03/2015 02:46 AM, H.J. Lu wrote:
>>> On Thu, Jul 2, 2015 at 3:53 PM, Pavel Kopyl <p.kopyl@samsung.com> wrote:
>>>>
>>>>
>>>> On 06/30/2015 06:12 PM, H.J. Lu wrote:
>>>>>
>>>>> On Tue, Jun 30, 2015 at 7:45 AM, Pavel Kopyl <p.kopyl@samsung.com>
>>>>> wrote:
>>>>> This patch changes DF_1_NODELETE path.  Do we have a testcase for
>>>>> sucessfully loading/unloading DF_1_NODELETE DSO with undefined
>>>>> symbols?
>>>>>
>>>>> It may have been asked before.  Can we reset unique symbols
>>>>> in _dl_open before calling _dl_close_worker?
>>>>>
>>>> Yes, I added testcases for three possible ways where we can get
>>>> DF_1_NODELETE:
>>>> 1. Unique symbols
>>>> 2. Load with RTLD_NODELETE flag.
>>>> 3. Link with '-z nodelete' option
>>>>
>>>>> Can we reset unique symbols in _dl_open before calling _dl_close_worker?
>>>> But I clear unique symbols exactly in
>>>> _dl_close_worker.<https://slovari.yandex.ru/exactly/en-ru>
>>>>
>>>>
>>> Looks good to me.
>>
>> Folks,
>>
>> Could someone commit the patch for us?  We do not have write access to Glibc
>> repo.  We'll be around to cope with bugs (if any).
>>
> Please regenerate the patch with "gcc format-patch" and resubmit it
> so that I can do "git am your-patch".
>
> Thanks.
Thanks a lot.

-Pavel

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