From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) (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 6D0EC19D083 for ; Fri, 19 Sep 2025 04:01:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758254464; cv=none; b=LQexdlHH4cSLf1/2fSryra826hZ6hIOrsjrVd15D1ihXTDEC5KYeap88E3wCxwDGJRIR+gD8Wfx4j3BAPckye/Cm8XCGqczdjpjZDehGwS4hfm3cxlnpgYU0ZiOITug7clf063aO9vVW3G3DNYdsSFkJYg6L5PibYgJSKkEO2ug= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758254464; c=relaxed/simple; bh=ouvabztvBePsJ3eaH5/w487SdXuqBTErwzdVgnyu3ZU=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=V3n+35iM09vyDqh69f/GFxMAg0hR9DvcFB/eGU6ngrwz7rC4EUtltnYSzl5lQ4GbDxO/1Ltsk1DyyNih3ZoBHfNKxyt/09v+gM+jL2hvI6MVOqkeq/49F27Y9GANne89kb7Xdyhq4xL9HCawdLCDlFNAKLraLvd6p+hVHCMGDgw= 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=209.85.166.70 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-io1-f70.google.com with SMTP id ca18e2360f4ac-8870219dce3so183187939f.0 for ; Thu, 18 Sep 2025 21:01:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1758254462; x=1758859262; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=IulN+igi3cpw905djkzcEMAptMFKIjnsWKZB5c5SZ2E=; b=t0ngofcwHAW4j+ouI6lSsh75om3BFI/dF67QdWtfDKt7zWPcZSBlxdVJvR3PQ2PmCq yGKNszwdxc8dbymOnjkSX+kj3swros6r58WAMGwKU6lKkPsmEkitT9Nm2uYtdoos5uSV AUVH0qe/imxpajEskjagOAYQMF4iNnewWVfIr4hi0U/upMbvNouj+O9jYzQnJqth43r5 x/sqEHgYAv8sML+tgkNKZt3aw2iR7rXZXqODsayVKaUQA3aotuheN3AFlweNxwOvFMjg 8V9gZDPQrhchnw7fikqHMjDbFwIO39Ssm899UyHtOviOtpfnKDkjHxBtMIWDzndte+F3 xQmg== X-Forwarded-Encrypted: i=1; AJvYcCWkF5/UbrqUlNwYgttkIzKVS+z9KTDk+AHPhvTnYplYTz/oEPI6vChbPlxMzFKb9uABCLYI+/70LFi9Zfo=@vger.kernel.org X-Gm-Message-State: AOJu0Yw73k/5oaprvt1E9pe8Zw2FOUPNOxObVkYp4f7EzIBnR79le/nb BJcOk5Ev+jmIbMvRShEGuDHM4d9NDqzwQA7ZmJDlAzGSFsWEX3Kv9jXM9xsIqBikQOk+6G1LBB+ UBr9X+mp8AC6tvg8REf+kzIPlR56FvRirG4w0CXmjbD6+OV7MAGalMpsV26w= X-Google-Smtp-Source: AGHT+IHm+W8tdy68zb31OkCXSByh73N7mrHV77cGbyN2ywRb3nvvaxdLIN0Ne7mxO8w4bZQz4Zp5leyCBiPf2MBrJnKAl9rcZsLE Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:4606:b0:424:8598:59c4 with SMTP id e9e14a558f8ab-42485985d46mr4379665ab.18.1758254462605; Thu, 18 Sep 2025 21:01:02 -0700 (PDT) Date: Thu, 18 Sep 2025 21:01:02 -0700 In-Reply-To: <000000000000c7e54f0621e8a14f@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68ccd57e.050a0220.28a605.0019.GAE@google.com> Subject: Re: [syzbot] [ocfs2?] KASAN: slab-use-after-free Read in ocfs2_fault From: syzbot To: jlbec@evilplan.org, joseph.qi@linux.alibaba.com, linux-kernel@vger.kernel.org, mark@fasheh.com, masahiroy@kernel.org, ocfs2-devel@lists.linux.dev, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit f79dc03fe68c79d388908182e68d702f7f1786bc Author: Masahiro Yamada Date: Tue Jun 18 10:35:21 2024 +0000 kconfig: refactor choice value calculation bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1154ee42580000 start commit: 8b789f2b7602 Merge tag 'mm-hotfixes-stable-2025-09-17-21-1.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=1354ee42580000 console output: https://syzkaller.appspot.com/x/log.txt?x=1554ee42580000 kernel config: https://syzkaller.appspot.com/x/.config?x=f5b21423ca3f0a96 dashboard link: https://syzkaller.appspot.com/bug?extid=a49010a0e8fcdeea075f syz repro: https://syzkaller.appspot.com/x/repro.syz?x=179f40e2580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=109acf62580000 Reported-by: syzbot+a49010a0e8fcdeea075f@syzkaller.appspotmail.com Fixes: f79dc03fe68c ("kconfig: refactor choice value calculation") For information about bisection process see: https://goo.gl/tpsmEJ#bisection