linux-kernel - Re: [syzbot] [f2fs?] INFO: task hung in freeze

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Message-ID: <682ddebb.a00a0220.29bc26.028f.GAE@google.com>
Date: Wed, 21 May 2025 07:10:03 -0700
From: syzbot <syzbot+aa5bb5f6860e08a60450@...kaller.appspotmail.com>
To: bp@...en8.de, chao@...nel.org, dave.hansen@...ux.intel.com, hanqi@...o.com, 
	hpa@...or.com, jaegeuk@...nel.org, linux-f2fs-devel@...ts.sourceforge.net, 
	linux-kernel@...r.kernel.org, mingo@...hat.com, 
	syzkaller-bugs@...glegroups.com, tglx@...utronix.de, x86@...nel.org
Subject: Re: [syzbot] [f2fs?] INFO: task hung in freeze_super (6)

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:         a8454e3b f2fs: fix to skip f2fs_balance_fs() if checkp..
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git bugfix/syzbot
console output: https://syzkaller.appspot.com/x/log.txt?x=140260e8580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=40634659c9fbec3
dashboard link: https://syzkaller.appspot.com/bug?extid=aa5bb5f6860e08a60450
compiler:       Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6

Note: no patches were applied.