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bug#18499: Possible mv race for hardlinks (rhbz #1141368 )
From: |
Pádraig Brady |
Subject: |
bug#18499: Possible mv race for hardlinks (rhbz #1141368 ) |
Date: |
Fri, 21 Nov 2014 14:39:35 +0000 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 |
On 21/11/14 11:53, Pádraig Brady wrote:
> On 21/11/14 08:29, Boris Ranto wrote:
>> On Fri, 2014-11-21 at 03:30 +0000, Pádraig Brady wrote:
>>> We want to leave the logic in place for cp and install though,
>>> and I've adjusted your patch accordingly. I've also adjusted
>>> the tests to pass and augmented the tests to cover one of
>>> the cases missed in the previous patch. I'll push this tomorrow.
>>>
>>> thanks,
>>> Pádraig.
>>
>> Just a note: cp already presented this behaviour before the patch, i.e.
>>
>> cp a b
>>
>> on hard links to the same file failed with
>>
>> cp: ‘a’ and ‘b’ are the same file
>>
>> On the other hand, install does not present it, it copies over b
>> creating new inode for b.
>
> Yep, but there were other cases with `cp -a` with hardlinks
> to symlinks, and cp --remove-destination a b.
>
> I've pushed that now.
For reference I've made the kernel renameat() suggestion at:
http://marc.info/?l=linux-api&m=141658005205610&w=2
Pádraig.
- bug#18499: Possible mv race for hardlinks (rhbz #1141368 ), (continued)
- bug#18499: Possible mv race for hardlinks (rhbz #1141368 ), Ondrej Vasik, 2014/11/16
- bug#18499: Possible mv race for hardlinks (rhbz #1141368 ), Pádraig Brady, 2014/11/16
- bug#18499: Possible mv race for hardlinks (rhbz #1141368 ), Paul Eggert, 2014/11/16
- bug#18499: Possible mv race for hardlinks (rhbz #1141368 ), Pádraig Brady, 2014/11/16
- bug#18499: Possible mv race for hardlinks (rhbz #1141368 ), Boris Ranto, 2014/11/18
- bug#18499: Possible mv race for hardlinks (rhbz #1141368 ), Pádraig Brady, 2014/11/18
- bug#18499: Possible mv race for hardlinks (rhbz #1141368 ), Boris Ranto, 2014/11/18
- bug#18499: Possible mv race for hardlinks (rhbz #1141368 ), Pádraig Brady, 2014/11/20
- bug#18499: Possible mv race for hardlinks (rhbz #1141368 ), Boris Ranto, 2014/11/21
- bug#18499: Possible mv race for hardlinks (rhbz #1141368 ), Pádraig Brady, 2014/11/21
- bug#18499: Possible mv race for hardlinks (rhbz #1141368 ),
Pádraig Brady <=
- bug#18499: Possible mv race for hardlinks (rhbz #1141368 ), Pádraig Brady, 2014/11/21
- bug#18499: Possible mv race for hardlinks (rhbz #1141368 ), Pádraig Brady, 2014/11/29