From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oa1-f71.google.com (mail-oa1-f71.google.com [209.85.160.71]) (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 ED6B4384CE5 for ; Sat, 5 Sep 2026 23:39:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788651544; cv=none; b=KIaVhWKoNo6gNT2c8AKqN2XHm6+IK0aRMy7Wn8IZtYbb1yisGBJ4p9W1TlDLEQW8S8AZ4Y+xyS4jNV6tRBhURQAIQUCgktDUwF66RCThI+/ufUNaNN/nQPUin3/VFi8hmLl0IhxLXWw0WLiweNlKPsTkOTWP7pLliQVZYIjsDJM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788651544; c=relaxed/simple; bh=w6esUUNPu8BpPol/KRZXiWuoZ2jzAQ93b3hbqEc5MEk=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=hzS3npyTPNs4EM4rKht5yEI/fGS3XNxsKhjAr5DQFdBtMSN3chF/0Bq/56LNjhgrNsNeF5z5NikH1IMQ0bpVPjkOfRm4sCq8fc+oz28mtBpDkR8HY/DUk2MWz+Rcfx7SxKyZqgumlxYZRfJSA3/45tdtyM7rcPbni77hwfta9N4= 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=209.85.160.71 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-oa1-f71.google.com with SMTP id 586e51a60fabf-45a07949855so3433869fac.2 for ; Sat, 05 Sep 2026 16:39:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788651541; x=1789256341; 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=OKXoibRSw/wOsrV5a7d8BhV7hWNdQ7b1sUhe44l++gQ=; b=T07dvRrxY0AuteqeUxTeSlAEqieUSpKuR3zQW38fgcNWC12YX0tTVKxKSu+80lHuYf mlGsiWbOzENGBUC3zhRXkivYVAKaxmg2l+2f5dusNYQ9Qmph4W85mox5zTlCG7T8riry Ay9PDzoQwNgmUMy/374aL9/6WihHTU2FzIbenRgzymbuOf3JkRUagyCP3/ma8Ov42MQz YSQ90wcTvwuywRUivgljrbiVbg3N9MLUr7rPU1r5M4oDGAmZLuexahLyNqtOtlfcVRBR cwxBn0/Fk472G0mkcZZhtweZ+xpKyx/FT52+noh8Su2JCVHKk8ghM1Z9R2UqPcEngE3U IvRQ== X-Forwarded-Encrypted: i=1; AKwUvBwDOoq5/V8IyBk6JYsLm+ClqW7IA8taonIsps+8etFZ2/cQSCQdL8shKZ2DsQ2VqigJZRdmzQ==@lists.linux.dev X-Gm-Message-State: AFuF++neQe/Y2oU/H/Req1YLDeU42Iu+I1rQw5jcrU8/7/MMZMoD212h Tw52NXxGiFC+1FQBaHr+BSYQy0tEo9wkr2CE4dRVsDeSSH5ya0zh2dTEt1ZM+z3WGWePbgPoIhX bRQFTbx783uuAdAZYu1VHWLQJm7WqSU5I8vQPFZT4RzjT8mHoi3QspeCf2ek= Precedence: bulk X-Mailing-List: ntfs3@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:201b:b0:6b7:46fc:1d0 with SMTP id 006d021491bc7-6b746fc0280mr8338537eaf.47.1788651541499; Sat, 05 Sep 2026 16:39:01 -0700 (PDT) Date: Sat, 05 Sep 2026 16:39:01 -0700 In-Reply-To: <6a42cfca.9dc7bc9d.3393b4.0008.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a9ca815.2e659fcc.61e1a.0009.GAE@google.com> Subject: Re: [syzbot] [ntfs3?] possible deadlock in ntfs_readdir From: syzbot To: almaz.alexandrovich@paragon-software.com, gality369@gmail.com, linux-kernel@vger.kernel.org, ntfs3@lists.linux.dev, syzkaller-bugs@googlegroups.com 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=1376eb49580000 start commit: 02dc699f83d0 Merge tag 'kbuild-fixes-7.2-1' of git://git.k.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=10f6eb49580000 console output: https://syzkaller.appspot.com/x/log.txt?x=1776eb49580000 kernel config: https://syzkaller.appspot.com/x/.config?x=cb17729fb04b1e3a dashboard link: https://syzkaller.appspot.com/bug?extid=cfc6e8106bec1c524f7d syz repro: https://syzkaller.appspot.com/x/repro.syz?x=107a8db9580000 Reported-by: syzbot+cfc6e8106bec1c524f7d@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