On Fri 04-05-18 20:47:29, Tetsuo Handa wrote:
> >From 626d33de1b70b11ecaf95a9f83f7644998e54cbb Mon Sep 17 00:00:00 2001
> From: Tetsuo Handa <penguin-ker...@i-love.sakura.ne.jp>
> Date: Wed, 2 May 2018 23:03:48 +0900
> Subject: [PATCH] loop: remember whether sysfs_cre
On 05/05/2018 01:49 PM, Tetsuo Handa wrote:
> Milan Broz wrote:
>>> Do we want to abort LOOP_SET_FD request if sysfs_create_group() failed?
>>
>> I would prefer failure - there are several utilities that expects attributes
>> in
>> sysfs to be valid (for example I print info from here in
Milan Broz wrote:
> On 05/04/2018 04:40 PM, Tetsuo Handa wrote:
> > The loop module ignores sysfs_create_group() failure and pretends that
> > LOOP_SET_FD request succeeded. I guess that the author of commit
> > ee86273062cbb310 ("loop: add some basic read-only sysfs attributes")
> > assumed that
On 05/04/2018 04:40 PM, Tetsuo Handa wrote:
> The loop module ignores sysfs_create_group() failure and pretends that
> LOOP_SET_FD request succeeded. I guess that the author of commit
> ee86273062cbb310 ("loop: add some basic read-only sysfs attributes")
> assumed that it is not a fatal error
2001
>>>>> From: Tetsuo Handa <penguin-ker...@i-love.sakura.ne.jp>
>>>>> Date: Wed, 2 May 2018 23:03:48 +0900
>>>>> Subject: [PATCH] loop: remember whether sysfs_create_group() succeeded
>>>>>
>>>>> syzbot is hitti
.sakura.ne.jp>
> >>> Date: Wed, 2 May 2018 23:03:48 +0900
> >>> Subject: [PATCH] loop: remember whether sysfs_create_group() succeeded
> >>>
> >>> syzbot is hitting WARN() triggered by memory allocation fault
> >>> inje
2 May 2018 23:03:48 +0900
>>> Subject: [PATCH] loop: remember whether sysfs_create_group() succeeded
>>>
>>> syzbot is hitting WARN() triggered by memory allocation fault
>>> injection [1] because loop module is calling sysfs_remove_group()
>>> when sysfs
Jens Axboe wrote:
> On 5/4/18 5:47 AM, Tetsuo Handa wrote:
> >>From 626d33de1b70b11ecaf95a9f83f7644998e54cbb Mon Sep 17 00:00:00 2001
> > From: Tetsuo Handa <penguin-ker...@i-love.sakura.ne.jp>
> > Date: Wed, 2 May 2018 23:03:48 +0900
> > Subject: [PATCH] loop:
On 5/4/18 5:47 AM, Tetsuo Handa wrote:
>>From 626d33de1b70b11ecaf95a9f83f7644998e54cbb Mon Sep 17 00:00:00 2001
> From: Tetsuo Handa <penguin-ker...@i-love.sakura.ne.jp>
> Date: Wed, 2 May 2018 23:03:48 +0900
> Subject: [PATCH] loop: remember whether sysfs_create_group()
>From 626d33de1b70b11ecaf95a9f83f7644998e54cbb Mon Sep 17 00:00:00 2001
From: Tetsuo Handa <penguin-ker...@i-love.sakura.ne.jp>
Date: Wed, 2 May 2018 23:03:48 +0900
Subject: [PATCH] loop: remember whether sysfs_create_group() succeeded
syzbot is hitting WARN() triggered by memory allocat
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