linux-kernel - Re: [syzbot] [mm?] WARNING in move_to_new

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Message-ID: <ae35d5a9-c958-4cad-96fb-673e8bb9d46c@amd.com>
Date: Tue, 15 Apr 2025 11:10:41 +0530
From: Shivank Garg <shivankg@....com>
To: syzbot <syzbot+8bb6fd945af4e0ad9299@...kaller.appspotmail.com>,
 linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com,
 shivankg@....com
Subject: Re: [syzbot] [mm?] WARNING in move_to_new_folio

I made a mistake in insert_metapage. I hope my revised patch work.
I'll post it to original list if this pass.

#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git 01c6df60d5d4

Best Regards,
Shivank

On 4/15/2025 10:54 AM, syzbot wrote:
> Hello,
> 
> syzbot has tested the proposed patch but the reproducer is still triggering an issue:
> unregister_netdevice: waiting for DEV to become free
> 
> unregister_netdevice: waiting for batadv0 to become free. Usage count = 3
> 
> 
> Tested on:
> 
> commit:         01c6df60 Add linux-next specific files for 20250411
> git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
> console output: https://syzkaller.appspot.com/x/log.txt?x=1142f0cc580000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=db03cefa26ecf825
> dashboard link: https://syzkaller.appspot.com/bug?extid=8bb6fd945af4e0ad9299
> compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
> patch:          https://syzkaller.appspot.com/x/patch.diff?x=107a60cc580000
> 



View attachment "0001-jfs-implement-migrate_folio-for-jfs_metapage_aops.patch" of type "text/plain" (6141 bytes)