From: Chao Yu <chao@kernel.org>
To: "Xu, Wen" <wen.xu@gatech.edu>
Cc: "linux-f2fs-devel@lists.sourceforge.net"
<linux-f2fs-devel@lists.sourceforge.net>
Subject: Re: Bug report: some new bugs found by fuzzing
Date: Sun, 8 Jul 2018 00:32:32 +0800 [thread overview]
Message-ID: <ed7af144-d43e-386b-5f0f-b9899023afe5@kernel.org> (raw)
In-Reply-To: <73E9588B-D1C0-4B9A-B00B-58C975D48489@gatech.edu>
On 2018/7/7 23:48, Xu, Wen wrote:
> Sure I will do it. So you are still willing to fix the issues even it may be affected by CHECK_FS config?
Yes, let me figure out the problem.
https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=f2fs-dev&id=ccf5e1525e92010dd2cb8ff5a820283f9bff5c78
Above commit seems breaking normal case, let me update it.
Thanks,
>
> Thanks
> -Wen
>
>> On Jul 6, 2018, at 12:22 PM, Chao Yu <chao@kernel.org> wrote:
>>
>> Hi Wen,
>>
>> I've update two patches today for these issues, could you please test them?
>>
>> On 2018/7/6 9:30, Xu, Wen wrote:
>>> Thanks very much! I would like to provide any further help or testing.
>>>
>>> -Wen
>>>
>>>> On Jul 5, 2018, at 9:13 PM, Chao Yu <yuchao0@huawei.com> wrote:
>>>>
>>>> Hi Wen,
>>>>
>>>> On 2018/7/6 3:19, Xu, Wen wrote:
>>>>> Dear F2FS developers,
>>>>>
>>>>> By fuzzing, I find some new issues in Linux f2fs kernel module. Here are the links on Bugzilla,
>>>>>
>>>>> 200419 NULL pointer dereference in __remove_dirty_segment() when mounting an f2fs image
>>>>> https://bugzilla.kernel.org/show_bug.cgi?id=200419
>>
>> https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=f2fs-dev&id=ccf5e1525e92010dd2cb8ff5a820283f9bff5c78
>>
>>>>>
>>>>> 200421 Buffer overrun in f2fs_truncate_inline_inode() when umounting an f2fs image
>>>>> https://bugzilla.kernel.org/show_bug.cgi?id=200421
>>
>> https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=f2fs-dev&id=ea08202ee4ca67b31b3510591f2a8032ec3ac4cb
>>
>>>>>
>>>>> 200423 Out-of-bound access in f2fs_get_dnode_of_data() when operating file on an f2fs image
>>>>> https://bugzilla.kernel.org/show_bug.cgi?id=200423
>>>>>
>>>>> 200425 Invalid memory access in f2fs_find_target_dentry() when operating files on an f2fs image
>>>>> https://bugzilla.kernel.org/show_bug.cgi?id=200425
>>
>> Fixes this issue with above commit.
>>
>> Thanks,
>>
>>>>>
>>>>> Regarding my testing, they can all be reproduced w/ Chao’s f2fs-dev branch. Thanks!
>>>>
>>>> Alright, I will dig into these issues in these days, once I have solution, will
>>>> let you know.
>>>>
>>>> Thanks,
>>>>
>>>>>
>>>>> -Wen
>>>
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next prev parent reply other threads:[~2018-07-07 16:32 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-05 19:19 Bug report: some new bugs found by fuzzing Xu, Wen
2018-07-06 1:13 ` Chao Yu
2018-07-06 1:30 ` Xu, Wen
2018-07-06 7:00 ` Chao Yu
2018-07-06 13:01 ` Xu, Wen
2018-07-06 16:22 ` Chao Yu
2018-07-07 15:48 ` Xu, Wen
2018-07-07 16:32 ` Chao Yu [this message]
2018-07-08 2:43 ` Xu, Wen
2018-07-09 2:24 ` Chao Yu
2018-07-09 15:10 ` Chao Yu
2018-07-09 19:11 ` Xu, Wen
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