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From: syzbot <syzbot+1bfacdf603474cfa86bd@syzkaller.appspotmail.com>
To: Yuezhang.Mo@sony.com, adilger.kernel@dilger.ca, bp@alien8.de,
	 brauner@kernel.org, casey@schaufler-ca.com,
	dave.hansen@linux.intel.com,  hpa@zytor.com, jack@suse.cz,
	linkinjeon@kernel.org,  linux-ext4@vger.kernel.org,
	linux-fsdevel@vger.kernel.org,  linux-kernel@vger.kernel.org,
	mingo@redhat.com, roberto.sassu@huawei.com,
	 sj1557.seo@samsung.com, syzkaller-bugs@googlegroups.com,
	tglx@linutronix.de,  tytso@mit.edu, viro@zeniv.linux.org.uk,
	x86@kernel.org, yuezhang.mo@sony.com
Subject: Re: [syzbot] [exfat?] INFO: task hung in lock_two_directories (4)
Date: Wed, 03 Sep 2025 05:50:04 -0700	[thread overview]
Message-ID: <68b8397c.050a0220.3db4df.01f1.GAE@google.com> (raw)
In-Reply-To: <682ff0bf.a70a0220.1765ec.0148.GAE@google.com>

syzbot suspects this issue was fixed by commit:

commit 99f9a97dce39ad413c39b92c90393bbd6778f3fd
Author: Yuezhang Mo <Yuezhang.Mo@sony.com>
Date:   Tue Mar 18 09:00:49 2025 +0000

    exfat: add cluster chain loop check for dir

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=13445e62580000
start commit:   3f31a806a62e Merge tag 'mm-hotfixes-stable-2025-07-11-16-1..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=bd2783a0a99d4ed0
dashboard link: https://syzkaller.appspot.com/bug?extid=1bfacdf603474cfa86bd
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=134b50f0580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=16d7018c580000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: exfat: add cluster chain loop check for dir

For information about bisection process see: https://goo.gl/tpsmEJ#bisection

      reply	other threads:[~2025-09-03 12:50 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-23  3:51 [syzbot] [ext4?] " syzbot
2025-09-03 12:50 ` syzbot [this message]

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