From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D8733C0650F for ; Thu, 8 Aug 2019 12:51:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AAF0A21874 for ; Thu, 8 Aug 2019 12:51:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732626AbfHHMvB (ORCPT ); Thu, 8 Aug 2019 08:51:01 -0400 Received: from mail-ot1-f71.google.com ([209.85.210.71]:56775 "EHLO mail-ot1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732354AbfHHMvB (ORCPT ); Thu, 8 Aug 2019 08:51:01 -0400 Received: by mail-ot1-f71.google.com with SMTP id q22so61497552otl.23 for ; Thu, 08 Aug 2019 05:51:00 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=CEErlphARtaydDqTgQRNdb74yQCEmh25NXbvc/7QiI8=; b=C0rrD3GokoVofp/TW+uqTjaehaaHibXQf7w0Nqupm3VfOGrdvv953tmDQSyUWKPQpf 1WT7TltRfsP5n8uaRU+ptqqJR2sS+gKjvaQfmDuhHT9Hjh9KHlG3ezpWvAV2zY+DMzAu RkqSMPGFbq0RMU0G0EFuOVAGLppMfSUr8/CJW/MdLpuIVpeLEBxQHci0TpwGr7ytOfMz lnpkZOaSIkAmaUCjW92gdd2uyVPu5LI8f4FIjiYMykDKQ3JGrPxLpJC9lJgl9kq9U5PW Lzv04wWRCr0C3zgOAd4HirWYVvO0TN/3SbPA1a1H6AgxZVkuum117oTNrIoTlzXsjJFW fwYA== X-Gm-Message-State: APjAAAUER1eKLJcxzid5VxxnM6xyjuifHex2sOCoR0YFTKLxlK5k1pr7 pWJLhBZM8Vq//PIH36Px/mxTNQnBg1DwitRrXUP4CMTIWrkA X-Google-Smtp-Source: APXvYqykHlapjSYrrJt7Y/KfDR8LnW9sAsqXyA6MZtRuOUiOq/wU1wiKae3gCIaBGfyypEIk+jmD4cHVsM90UKTlAQ9FmMS0hk6d MIME-Version: 1.0 X-Received: by 2002:a02:9f84:: with SMTP id a4mr16736469jam.20.1565268660528; Thu, 08 Aug 2019 05:51:00 -0700 (PDT) Date: Thu, 08 Aug 2019 05:51:00 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000007d2d87058f9a821f@google.com> Subject: Re: KASAN: use-after-free Read in dvb_usb_device_exit (2) From: syzbot To: allison@lohutok.net, andreyknvl@google.com, hdanton@sina.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-usb@vger.kernel.org, mail@maciej.szmigiero.name, mchehab@kernel.org, oneukum@suse.com, sean@mess.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger crash: Reported-and-tested-by: syzbot+c58e976e022432ee60b4@syzkaller.appspotmail.com Tested on: commit: e96407b4 usb-fuzzer: main usb gadget fuzzer driver git tree: https://github.com/google/kasan.git kernel config: https://syzkaller.appspot.com/x/.config?x=cfa2c18fb6a8068e compiler: gcc (GCC) 9.0.0 20181231 (experimental) patch: https://syzkaller.appspot.com/x/patch.diff?x=1622161c600000 Note: testing is done by a robot and is best-effort only.