linux-kernel - Re: [f2fs-dev] [PATCH v3 1/5] f2fs: compress: add compress

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <eb25281b-a40e-8965-cdf5-b7c461fbe195@huawei.com>
Date:   Fri, 29 Jan 2021 09:13:24 +0800
From:   Chao Yu <yuchao0@...wei.com>
To:     Jaegeuk Kim <jaegeuk@...nel.org>
CC:     Chao Yu <chao@...nel.org>, <linux-kernel@...r.kernel.org>,
        <linux-f2fs-devel@...ts.sourceforge.net>
Subject: Re: [f2fs-dev] [PATCH v3 1/5] f2fs: compress: add compress_inode to
 cache compressed blocks

On 2021/1/29 0:12, Jaegeuk Kim wrote:
> On 01/28, Chao Yu wrote:
>> On 2021/1/22 10:17, Chao Yu wrote:
>>>> No, it seems this is not the case.
>>> Oops, could you please help to remove all below codes and do the test again
>>> to check whether they are the buggy codes? as I doubt there is use-after-free
>>> bug.
>>
>> Any test result? :)
> 
> It seems I don't see the errors anymore. Will you post another version?

No, your test result only indicate that bug was caused by race condition
of that line with high possibility, however I've no idea how that happen
after several round code review. Still struggling in troubleshooting this
issue.

Thanks,

> 
>>
>> Thanks,
> .
>