linux-kernel - Re: [syzbot] [f2fs?] kernel BUG in dec_valid_block

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Message-ID: <67f4f88e.050a0220.396535.055e.GAE@google.com>
Date: Tue, 08 Apr 2025 03:21:02 -0700
From: syzbot <syzbot+8b376a77b2f364097fbe@...kaller.appspotmail.com>
To: chao@...nel.org, jaegeuk@...nel.org, 
	linux-f2fs-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [f2fs?] kernel BUG in dec_valid_block_count

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:         ba0c5f18 f2fs: fix to do sanity check on sbi->total_va..
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=17616d78580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=66996a2350ef05e0
dashboard link: https://syzkaller.appspot.com/bug?extid=8b376a77b2f364097fbe
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

Note: no patches were applied.