linux-kernel - Re: [syzbot] [f2fs?] WARNING: lock held when returning to user space in f2fs_write_single_data

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Date:   Thu, 4 May 2023 21:48:04 +0800
From:   Chao Yu <chao@...nel.org>
To:     syzbot <syzbot+eb6201248f684e99b9f8@...kaller.appspotmail.com>,
        syzkaller-bugs@...glegroups.com
Cc:     jaegeuk@...nel.org, linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org
Subject: Re: [syzbot] [f2fs?] WARNING: lock held when returning to user space
 in f2fs_write_single_data_page

Hi,

On 2023/5/4 21:31, syzbot wrote:
> Hello,
> 
> syzbot has tested the proposed patch but the reproducer is still triggering an issue:

It said the reproducer is still triggering an issue, however, there is
no error output from the test.

Could you please help to check whether such status is normal or not, or
am I missing something?

Thanks,

> no output from test machine
> 
> 
> 
> Tested on:
> 
> commit:         2adb872d f2fs: fix potential deadlock due to unpaired ..
> git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git dev-test
> console output: https://syzkaller.appspot.com/x/log.txt?x=114b5338280000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=86e4eb913e90d4b2
> dashboard link: https://syzkaller.appspot.com/bug?extid=eb6201248f684e99b9f8
> compiler:       Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
> 
> Note: no patches were applied.