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 EF183C433FF for ; Fri, 9 Aug 2019 19:46:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BE239214C6 for ; Fri, 9 Aug 2019 19:46:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726472AbfHITqB (ORCPT ); Fri, 9 Aug 2019 15:46:01 -0400 Received: from mail-ot1-f71.google.com ([209.85.210.71]:49754 "EHLO mail-ot1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726078AbfHITqB (ORCPT ); Fri, 9 Aug 2019 15:46:01 -0400 Received: by mail-ot1-f71.google.com with SMTP id l7so71013553otj.16 for ; Fri, 09 Aug 2019 12:46:00 -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=QaIRxMgZLoHZ+y2N+TmUy7bCggB90Z3nYkENvxZIHn8=; b=pHIa741BLk7YLvg3Eh8eOO1UIojR2+s6t9fvZecRgrl1AZqrbt+s64d+StreEj+ajh ceQ/YseLNjKYEWWlo/l1rGl3H8bPnVUQB+Vu503lpviKk3M/wUfklUuCMbphsSGEN3RA iMjauIzKylXq5F+VXwvne8t5GqHDxTNlys9UATgZ5fQGgnDBLbgKtXi8rMxxIH6eHnZN QokrGOwukiS35aK/pTaiBejTlo8sPn7uaju5BWW3NVud1OaJKyIfSi77OwAg0g0KrE/u MrLh9jgwwz5lnEkcwQY0VcKpRnyOyc0+Krj3r86k9E4B2Fu554rPLVhKU+1oQckXxYFB 2a4Q== X-Gm-Message-State: APjAAAU/b0Id0Ec669SHqOiroYy5qAzhQsin0QAyhThd26shtDiKQNlJ p9gFUd/bD72Tfw/fF9VLZr7njNL5WqGun1EYDikGDh4B5F3r X-Google-Smtp-Source: APXvYqyDp70SxxbdCfTkLBNTtqKAlmRBVV/PIX9YPmml1idmPRr9G9uVWwRcJmVMjSyEyQvuSlFbDAZU3eIBOCSXgDKa2yenBlmz MIME-Version: 1.0 X-Received: by 2002:a5e:9314:: with SMTP id k20mr23444780iom.235.1565379960645; Fri, 09 Aug 2019 12:46:00 -0700 (PDT) Date: Fri, 09 Aug 2019 12:46:00 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000007e2e84058fb46c49@google.com> Subject: Re: KASAN: use-after-free Read in usb_kill_urb From: syzbot To: andreyknvl@google.com, gregkh@linuxfoundation.org, gustavo@embeddedor.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu, syzkaller-bugs@googlegroups.com 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+22ae4e3b9fcc8a5c153a@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=173f2d2c600000 Note: testing is done by a robot and is best-effort only.