From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) (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 B0A5911CBD for ; Wed, 1 May 2024 16:56:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714582566; cv=none; b=S2AMGAOp/1GYY6SulMsGh7gRtM++LME+ll7+VrLfiqQibswYHcAIkU6Bmbxs55Nfgt+7/H8yhz+tRLEgHhM4p24Q+5sJormDV2qRYjDI9xu02vdcfADb4D+b9oDOHeoQq692OGPpBBO2w88cjIkObT6Nj+WT2NihdGVWanqzI2M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714582566; c=relaxed/simple; bh=1XZHi0YzBLS47mbettJ83dDPGL16uhOqOK1tJN4dlpw=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=Z+y/EA18J6u89HXxiaux52nLbh+Qr3eqPdrG+AdXu4BemL0j8ASJWmuD/+wxJySMDngqbYRCrfVabRYkGUgQQuxM5C/4BiMnV70bv6JJo3wb9T/41ezUdMQ/FKuUWzLIQJ6uvudiRluleLAgLxshMOgc1Ras5W4Oywbr2qO8VOE= 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=209.85.166.69 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-f69.google.com with SMTP id ca18e2360f4ac-7def44d6078so723739f.1 for ; Wed, 01 May 2024 09:56:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1714582564; x=1715187364; 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=zL5zLFLZ9/A+euis3e08Nm55+lvX3+T3wPrxtwGnFpQ=; b=K+dH2GtnHLs4xHm7fJTa2idhjqBLIzifGnXVkfcA+bNIU1lPx7tUZemapL2L7a7A7F S5xN9bWtMJ7wxO8r/8tjdTm8v/2UmSETTvEm9xk//Ga6jE3HCT+dDG2VLUAbYmlJgQuQ 0u1VZGDany7JqcaUY4MFIERXkIykpy/Y8uBqLN9tJKGRWtP/KLFLH2vErBpFAvS7J/ia AqXN6n0KakzzO2EspKO+Gl/mH0nH08KVqYGfWBN3MiEKc5mk66zsJovRgC16bn+iQERC sYK6EIcaSszzHi7HbFmUdS4Np1krVl1FRocz7MnWxMABc/RGEVdjqNZMy00f7xp9PxMG KC4g== X-Forwarded-Encrypted: i=1; AJvYcCV4oMso7fhJCZs66wr9+rG6YWZSSpc66wBY3iCs+wIsNFLb3ZGNAK3cMSWFQr+CZXUPP9OSLf5spiCD+q8O1IbbFxjHSInb X-Gm-Message-State: AOJu0YwlXoboe5slEv87QQ+VEXmSdCJuWNgxAY8WHGI+wxkSnF0LnDUy eFlIzvZ15nYiunYbOh82X/BFLhO8O70k3/hnGnT+DlCSZZvtwGiqMT8VoHFHjSLVOzm+EfzzSzL Y/MXIpXSGV8jkw5ZlalTZNq/O8LdWvQitGc1JYopfZsYNXyoMVybSKo8= X-Google-Smtp-Source: AGHT+IEBjXreViAye+0kXgWGM8QAOQnK+EHu2cHJMy66fdP74jLwDb6XfrE99WN2U9+ggleDVkBLcX+2gumyBDoVt+kvePoHzc8o Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:8684:b0:487:5dce:65ab with SMTP id iv4-20020a056638868400b004875dce65abmr6872jab.0.1714582564003; Wed, 01 May 2024 09:56:04 -0700 (PDT) Date: Wed, 01 May 2024 09:56:03 -0700 In-Reply-To: <20240501121200-mutt-send-email-mst@kernel.org> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000aa73d50617675ca3@google.com> Subject: Re: [syzbot] [net?] [virt?] [kvm?] KASAN: slab-use-after-free Read in vhost_task_fn From: syzbot To: jasowang@redhat.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, michael.christie@oracle.com, mst@redhat.com, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, virtualization@lists.linux.dev Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+98edc2df894917b3431f@syzkaller.appspotmail.com Tested on: commit: f138e94c KASAN: slab-use-after-free Read in vhost_task.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git console output: https://syzkaller.appspot.com/x/log.txt?x=10a152a7180000 kernel config: https://syzkaller.appspot.com/x/.config?x=3714fc09f933e505 dashboard link: https://syzkaller.appspot.com/bug?extid=98edc2df894917b3431f compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.