From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) (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 000F214F68 for ; Thu, 8 Feb 2024 01:37:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707356226; cv=none; b=nI+hmPUTZQt8qOV5aVUk7f4nCcj3T1dv91qCQVnEBekkPlG62UeDegwKoSQIvRkQIT5EOAsrslEtwBOGB7PS1tysddtBV7W8bCizslj1H7LESb9q6WTgn2cihGM/qF1bIjf55xMpW+qyyqQSviHKZzy5Gx0/O1qThyejI/JzIpA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707356226; c=relaxed/simple; bh=xgQeGtwhiz1kNDMXYvT6rIzUl/N74wXv5puaJBsQ0jM=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=qzpHSW5N/tSu1g7SL3YHjb0lluD54Z1YYB3GewE4eq+zlGUknwWptBBM3k69S2bCt+wWlFxr5fWQPrgIc7xuzBbODux4VLBx3+fAwIunUjgQ+PWVVb9+hRuBwN8k3hmKxPsc1KDGRLBhiEmu79KyclfA6m1qp2B0mKWctEvwxfY= 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=209.85.166.72 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-f72.google.com with SMTP id ca18e2360f4ac-7bf4698825eso107392139f.0 for ; Wed, 07 Feb 2024 17:37:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707356224; x=1707961024; 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=uDra3diawU6yneS9QkOQgrR5Tu//609hVN+5+vXi9e4=; b=nlVp+a8vNwloChPLzbmUBDk4xMNKaGSD+d5TmZRgx8evSl13xBNo2K1ppeNp4Nw9RU xseiCyYqDOgKfnkqPNr8hrhw1PKPO7iNADHsTTZR413GgIj/gRVZDu4mIljrB0FvR4Rj RYD0bOG0YfY0dryfIRElLzVy9B1pcdr3Hytj41Awub9vBVQa0R5a7JOqDJ3KHsB1iz6c FP0v7r71nDd/fF3Y/bvWeznirJtyiAQpOC6zRH37R31WaGkE2hsxffHfj2yY6s3fJXvH VrGBoIcgqjpkRVhehe3aDVgijtE2RA5+Eg19BVYssoh9wk4RnIOzFVBCtafNYfvKQ55y KLAw== X-Gm-Message-State: AOJu0Yx+UsaX2qBqdG2LJo/yMQSdKk2ypbkS9t1TIfIBpDRMDyRqf03M rHR3/1lxa+uOQoShEkU6szAe0rjzQKY2mGwVht0aq3drK1RkZqgw/Zdc0ViVm2vWCJTFSGuDfgn KJpuvei7SMl3NGGpSZYCFHFlP0v4XnbN+t4OZSbVcNwbTHByjxBut2YI= X-Google-Smtp-Source: AGHT+IGkdjyMt30qMBjP6bUDJieLzpUFX7ff5Ux+iDDbfouJtIymChV4ggxDfMIUmcPnGFMFTKIZwEY9jNGwxF6J/FSGS0myhCOn Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:cdad:0:b0:363:d720:a9d0 with SMTP id g13-20020a92cdad000000b00363d720a9d0mr336511ild.3.1707356224150; Wed, 07 Feb 2024 17:37:04 -0800 (PST) Date: Wed, 07 Feb 2024 17:37:04 -0800 In-Reply-To: <0000000000008e23d405eec3a7c4@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000003ee25d0610d4d916@google.com> Subject: Re: [syzbot] [fs?] KASAN: use-after-free Read in sysv_new_block From: syzbot To: axboe@kernel.dk, brauner@kernel.org, hch@infradead.org, jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit 6f861765464f43a71462d52026fbddfc858239a5 Author: Jan Kara Date: Wed Nov 1 17:43:10 2023 +0000 fs: Block writes to mounted block devices bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17ddd29fe80000 start commit: 01f856ae6d0c Merge tag 'net-6.1-rc8-2' of git://git.kernel.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=2325e409a9a893e1 dashboard link: https://syzkaller.appspot.com/bug?extid=eda782c229b243c648e9 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=179d6e75880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=124b96a7880000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: fs: Block writes to mounted block devices For information about bisection process see: https://goo.gl/tpsmEJ#bisection