From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f199.google.com (mail-oi1-f199.google.com [209.85.167.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8C7274908C5 for ; Wed, 16 Sep 2026 22:40:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789598409; cv=none; b=tp8Et3NKz1j2t8RKT9xxSolgd2TmqXyen7mEPL2FMpIkToqTOMzzCyRYh1r2cQJ5zpoLeSPI6I5v/R6bcnDi+K02bWwvOEeJknfYHmbZSm4b1t9x8WcwS+naDDyaR6YWwdREFdgj0GadGs4lqcPY96LcTjUj6WGi0l3RcDUIIO4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789598409; c=relaxed/simple; bh=aY0C3UZNWISVo+SEYdMA+dpLR2TC50hIsVNTH/1tMWI=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=QIEW3jgM/fY3Q119uX9I7ECqRzllqS2F2T6w69eyCkfkHSk/ITlsMAsVNsSf+uYFopTgcrXGUrOHvvT70evE5NgBvWc5vEPSTP7FH2cqJc60Cujxdvsze7XUzoIo1OW0HwjEj85qgwzz5Y3UVXKYWwMOh1/RVqsS1GCma0ybuhs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.167.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-oi1-f199.google.com with SMTP id 5614622812f47-4b5bfffcc2dso172126b6e.0 for ; Wed, 16 Sep 2026 15:40:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1789598402; x=1790203202; h=content-type:to:from:subject:message-id:in-reply-to:date :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to:content-type; bh=eWbhpWk71ccWdwuOVmq402NHgmE8BaqjoYuvIsrzF3g=; b=gDrAuyuSjM3cI+L7wKHK6gWPCm8yjSwv1/JkhiDUVfqZqB7rdk9D35NDNYAGTbR3B+ dslatxyVoXn/5KmjhRwbd7FBO2hSsBAaXIqqtWY05PoMpab9eiUJKc0dm8iXVd6CSJdH 6qtfz0l5wB2nUbyzv5Svi/Bh67qo1n2ibp12UtxgO03re27WYM2uPeh1CTkrKQEC5mX8 S+Hz0pIZqu7d38syeipEib1bv3D0ummu0ptL7n5wyv1w7To224P7JMt/v0xRmDRfQyLx HkHsMVIU1Ltexp2+qBC1ZUzstpoLZhxzdbQ7/cKc9CJ2QLGinrDJi6IUKAWaapbO4f4Q Miag== X-Forwarded-Encrypted: i=1; AKwUvBxqFbG05hhAaEQtAUgCwVSe6TeAktWwW3ODsHHDVVmGwW231syJwAeoXUyGEbCT2pLuMmB6xLpQfzhNl1b6@vger.kernel.org X-Gm-Message-State: AFuF++nM4fh+zMWZBE5hVQEW5xDlooU/81tAyfjvyR33cJETpN0W0PSu 67XNtkyexSzn9VysRStuPn11gvuKlBUnjIt53ZmHB462DXAb1nsDh/rKAB57rhzUMUNPJKc0gm9 qUU7lpKWJzWMUvg29ogWGELOB8XzI4JR90de9VTX6HUL40ZmpCJPijPDYCwg= Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:5087:b0:4b8:4703:db8b with SMTP id 5614622812f47-4cb69b976f2mr1049869b6e.20.1789598402258; Wed, 16 Sep 2026 15:40:02 -0700 (PDT) Date: Wed, 16 Sep 2026 15:40:02 -0700 In-Reply-To: <6a1b9770.fd5edf16.2e7427.0008.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6aab1ac2.71f81b7d.278072.0000.GAE@google.com> Subject: Re: [syzbot] [ntfs3?] possible deadlock in page_cache_ra_order From: syzbot To: akpm@linux-foundation.org, almaz.alexandrovich@paragon-software.com, gality369@gmail.com, jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, ntfs3@lists.linux.dev, syzkaller-bugs@googlegroups.com, willy@infradead.org Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit d62cf685d12e95cc0a4122c43cd9f0eb8bba0b4c Author: ZhengYuan Huang Date: Mon Apr 27 07:26:50 2026 +0000 fs/ntfs3: hold ni_lock across readdir metadata walk bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1540dbf9580000 start commit: 704340f1cd0d Merge tag 'x86_urgent_for_7.3-rc4' of git://g.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=1740dbf9580000 console output: https://syzkaller.appspot.com/x/log.txt?x=1340dbf9580000 kernel config: https://syzkaller.appspot.com/x/.config?x=b454dc6b1b7acd30 dashboard link: https://syzkaller.appspot.com/bug?extid=8bd419f88e25ab12cb75 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=154788c9580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=134788c9580000 Reported-by: syzbot+8bd419f88e25ab12cb75@syzkaller.appspotmail.com Fixes: d62cf685d12e ("fs/ntfs3: hold ni_lock across readdir metadata walk") For information about bisection process see: https://goo.gl/tpsmEJ#bisection