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From: Pavel Skripkin <paskripkin@gmail.com>
To: Ryusuke Konishi <konishi.ryusuke@gmail.com>,
	Dongliang Mu <mudongliangabcd@gmail.com>
Cc: "Andrew Morton" <akpm@linux-foundation.org>,
	linux-nilfs <linux-nilfs@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	"Nanyong Sun" <sunnanyong@huawei.com>, 慕冬亮 <dzm91@hust.edu.cn>
Subject: Re: Fw:Re: [PATCH] fs: nilfs2: fix memory leak in nilfs sysfs create device group
Date: Sat, 12 Mar 2022 18:16:09 +0300	[thread overview]
Message-ID: <7da316f4-aa65-896e-9020-2dfff2bbfc09@gmail.com> (raw)
In-Reply-To: <CAKFNMon3=fFWtuUa1_wDyK9agpCXjbzA8b+rj=OYu=7Gs8nMqQ@mail.gmail.com>

Hi Ryusuke,

On 3/12/22 18:11, Ryusuke Konishi wrote:
>> In case of nilfs_attach_log_writer() error code jumps to
>> failed_checkpoint label and calls destroy_nilfs() which should call
>> nilfs_sysfs_delete_device_group().
> 
> nilfs_sysfs_delete_device_group() is called in destroy_nilfs()
> if nilfs->ns_flags has THE_NILFS_INIT flag -- nilfs_init() inline
> function tests this flag.
> 
> The flag is set after init_nilfs() succeeded at the beginning of
> nilfs_fill_super() because the set_nilfs_init() inline in init_nilfs() sets it.
> 
> So,  nilfs_sysfs_delete_group() seems to be called in case of
> the above failure.   Am I missing something?
> 

Yeah, that's what I mean :) I can't see how reported issue is possible 
with current code.


Sorry for not being clear




With regards,
Pavel Skripkin

  reply	other threads:[~2022-03-12 15:16 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <3192BC90-D082-472B-B310-6E09A14A77C6@hust.edu.cn>
2022-01-21  3:47 ` Dongliang Mu
2022-01-22  4:22   ` Ryusuke Konishi
2022-03-08  2:22     ` Dongliang Mu
2022-03-08  7:58       ` Pavel Skripkin
2022-03-08  8:31       ` Ryusuke Konishi
2022-03-08  8:42         ` Dongliang Mu
2022-03-09  8:30           ` Dongliang Mu
2022-03-12  3:55             ` Ryusuke Konishi
2022-03-12 14:20             ` Pavel Skripkin
2022-03-12 15:11               ` Ryusuke Konishi
2022-03-12 15:16                 ` Pavel Skripkin [this message]
2022-03-12 16:01                   ` Ryusuke Konishi
2022-03-13 13:35                     ` Dongliang Mu
2022-03-15  1:58                       ` Dongliang Mu
2022-03-15  4:46                         ` Ryusuke Konishi
2022-03-15  5:49                           ` Dongliang Mu
2022-03-15  9:11                             ` Ryusuke Konishi
2022-03-15  9:18                               ` Dongliang Mu

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