From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (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 029EB2D949E for ; Mon, 27 Oct 2025 12:20:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761567606; cv=none; b=jLmf1YNqyeARzoZynRiBRLLTcrYubtQ+RQ0SYTKejMD2fjnCqVTPsVP5DtCLJWnSChbZq9mUBhb+IROSyf2errUQfqpZwNJmUansnbWI039oRFWpP+hlSjglVmXB4yvIS+ykogSTzllwsbO0sFGN3c/+nysFo9/nYOq2pI1IrzU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761567606; c=relaxed/simple; bh=+v7ks9/eTNNhXqjj83VGdNIZhAXyFvyg3wHQrgrPCtQ=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=lHJzYe27U3TEbEikxIVbO+YqL/FJ3F4Wd2MbJ7CVV9xuDMSBY7x5wPGs9PRsg7gjEEEX3nRfKYo3VRU4D2C4oldVgR+6/84MHjzydj50wjNlK53c2XcKfZDFPfXcGv9fCZF7ggFcgFAs+bMZN0Rd/Xe7TH938NWzErb1aZEFgwY= 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=209.85.166.199 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-il1-f199.google.com with SMTP id e9e14a558f8ab-430c477fe44so52311415ab.1 for ; Mon, 27 Oct 2025 05:20:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1761567602; x=1762172402; 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=qkdLZi4ZV+215bJaTi/JeEB1alaBWY0kyjpkyUYTr3k=; b=ueGEG6SPCi4cNowCgZxZbFsqRIx+zb6zgpTiclWJmJj04vF413Z+ZuE/d/RKvQi9Xc XU7IcbDgOhhRmjXZFMYNqMynUPLIJp2er+b5rW/YPB12Z4MlXFajMy2B2aAa5WF3B1kr zu693WqyTFtjX/+/28lpe5Y01sGHxcm4OhG1isTWccmoGSmNtetbF6NvGxtdA9AE3z/3 NQpFeNsQD8D2hrZc+1OrF6QIikCdJO10AjTR9ZX+7AmjKxLp260V75VgE41bQVINSEsY xwxsKYtRbWP/AjjUFbE9bGwvITnTnV26C9YMuOYIZVURFXNjvdkOZ+lM3H3j8K3P9XzR WtVA== X-Forwarded-Encrypted: i=1; AJvYcCWfbE1aNpgBOZSpnj4sPm+tq3FPrXWjtFoZpH3hCx+806TvgUVp9nD2/FDr7TrrTu7cQawhXaeKIHCYjqc=@vger.kernel.org X-Gm-Message-State: AOJu0YzZkSQSdDCYqalZKw73VO3YaQNIp+3G7/c7O6IfY7VnAFFuEpq1 uNUl+SYRTItWGQKdSY+3ELCNuW2J0zLqCo/xt1ZkyykD8dUBPhK35nVQGn+RHXiSVfw6OSYzgp5 7U/K1CY2QFZD72vQBKnJ8E3B4+ys8uETrVeoq69rfW2I+O7PNt17jmRtjkkQ= X-Google-Smtp-Source: AGHT+IHfAtKzApOq/yF+X5k8SHk/HjFQMhS741f1oSYAqo7YLgpQGhwkBXZCLE4F7N/1tfWLOg4KPNfxoTqWPW6jXC0CoLi13FsC Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:3c04:b0:430:b27a:7702 with SMTP id e9e14a558f8ab-430c5204155mr511415395ab.3.1761567602122; Mon, 27 Oct 2025 05:20:02 -0700 (PDT) Date: Mon, 27 Oct 2025 05:20:02 -0700 In-Reply-To: <68bacb00.050a0220.192772.018c.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68ff6372.050a0220.3344a1.038f.GAE@google.com> Subject: Re: [syzbot] [bcachefs?] KASAN: use-after-free Read in bch2_prt_printf From: syzbot To: david.hunter.linux@gmail.com, kent.overstreet@linux.dev, linux-bcachefs@vger.kernel.org, linux-kernel-mentees@lists.linuxfoundation.org, linux-kernel@vger.kernel.org, nirbhay.lkd@gmail.com, skhan@linuxfoundation.org, syzkaller-bugs@googlegroups.com, torvalds@linux-foundation.org Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit f2c61db29f277b9c80de92102fc532cc247495cd Author: Linus Torvalds Date: Mon Sep 29 20:43:52 2025 +0000 Remove bcachefs core code bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1190ef34580000 start commit: d69eb204c255 Merge tag 'net-6.17-rc5' of git://git.kernel... git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=bd9738e00c1bbfb4 dashboard link: https://syzkaller.appspot.com/bug?extid=7f176adb30b21606c5fc syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17f99312580000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: Remove bcachefs core code For information about bisection process see: https://goo.gl/tpsmEJ#bisection