Received: by 2002:a25:4158:0:0:0:0:0 with SMTP id o85csp5484936yba; Mon, 13 May 2019 11:38:33 -0700 (PDT) X-Google-Smtp-Source: APXvYqyUILQM+59xC6IoigwwRiCcheCIpmQBpZqp4kp8eUuTy4hzB42Tve819xhPws8BNUVEkcPJ X-Received: by 2002:a17:902:8ec6:: with SMTP id x6mr32026716plo.123.1557772713658; Mon, 13 May 2019 11:38:33 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1557772713; cv=none; d=google.com; s=arc-20160816; b=iJSMluugMfkyhx69BOx0P5CvxqvtTpxiq9w+F2x348hkW6LUYPjacMLazYSYtsAFt3 V3bPQ26usX/IZmHP955LMle4CEgXxNRW3Q9xtjKFAAo935BbF8icYwJVDuzROGyl80yd GeauAQQR011bYBMJLanyFrBWujCCZ4ZJs33ZRT+c7Oaz0s7J9tH1TZSdrOc/oQsXMP7p BEI8TUV7X1msBXnTcUwD7ChcvPpGFO4GlEJ4SfWC4/3Ys2FCbvo5GW+J9X40iwOWEHRg GPJcyaaZx7nD99c/iBgQrmqn0IbEcx0piyCO8qDX+qqrDzHb8KWklKELrnJLTh/bS7tz MFYw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:to:from:subject:message-id:in-reply-to :date:mime-version; bh=3VZ4p/YISWcz91SuVCC0Sel7mLneKp5LD5Zz/ePb6Zs=; b=Tj7jublnUIpGzoF0KGcVaaBbRlq9nX1ZyF8QXwNvV+BLzYp4RRy7ila5hScqmv0qCt tUNe3OAhI60FlCtCGzYahobPWjaKvc0i6UZe/z5X5e963jypP17TmoHhneaJJHwmrq1a qZ0jx0XyS3+nWwD/KLd6VlhaePiPWA4rjibTNYxh9AcnlHLRZRoIvCzi20QYJODZpv44 refXI9dUC5Emqs5FVwyBK83dNuCrMlRlqOHtsGIpasK+O1sZT/5SVXpoJox//6Y32s1f 4MRlkT3j/+hhWmy0WzCyecYj48k4mnWtfFdfWbSTG//2e7ajev9NOkzHCJo87K/uHN/Y 91Ow== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id m5si17545623pgt.73.2019.05.13.11.38.17; Mon, 13 May 2019 11:38:33 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731328AbfEMP3C (ORCPT + 99 others); Mon, 13 May 2019 11:29:02 -0400 Received: from mail-it1-f198.google.com ([209.85.166.198]:33714 "EHLO mail-it1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731295AbfEMP3B (ORCPT ); Mon, 13 May 2019 11:29:01 -0400 Received: by mail-it1-f198.google.com with SMTP id x3so163959itj.0 for ; Mon, 13 May 2019 08:29:01 -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=3VZ4p/YISWcz91SuVCC0Sel7mLneKp5LD5Zz/ePb6Zs=; b=ja5hiUsV5paAxSSOyLf/HdXHl2LezHJfVDunk158QYWJrhDgfbEUzY4jVs8l1eT2rP YVVnLxVDU2a2DF9hTjkfPJie7Q9emrXy+nyh6AXzdLlMytlIe6BCpJuxDa60otpZs43K hoccNYeGgOFsSYz/YNDhWyvJqxpBP+XUZdO9nzra6g6PkXQ+BZfuqe05F4r5WAk7rI9J HWOO9FLjgQ6yf6KflaDHTBNcK143CI4nn7VWl4aNcPMxiIXsAt+rq3COX4ithVlZAtZd 19Fk5TZ6zqWUw/qqwGQZ9RWgoeANSaAf6kAOADm8qU7XZRCATi68WEDIjo6kOrHccplO S7Xg== X-Gm-Message-State: APjAAAX9u9qVVSJrqtmw2bOcbMVQvJ12FKEgJkZCIo1tA7Mwq6cK9r5+ BAQK+bhS6TgahnGLLMANwpRPSRtWLcmKSowvxNFEAEzHB3/6 MIME-Version: 1.0 X-Received: by 2002:a24:5dc8:: with SMTP id w191mr18348892ita.136.1557761341111; Mon, 13 May 2019 08:29:01 -0700 (PDT) Date: Mon, 13 May 2019 08:29:01 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000061c7cd0588c6933c@google.com> Subject: Re: KASAN: slab-out-of-bounds Write in usb_get_bos_descriptor 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, suwan.kim027@gmail.com, 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+71f1e64501a309fcc012@syzkaller.appspotmail.com Tested on: commit: 43151d6c usb-fuzzer: main usb gadget fuzzer driver git tree: https://github.com/google/kasan.git usb-fuzzer kernel config: https://syzkaller.appspot.com/x/.config?x=4183eeef650d1234 compiler: gcc (GCC) 9.0.0 20181231 (experimental) patch: https://syzkaller.appspot.com/x/patch.diff?x=15912100a00000 Note: testing is done by a robot and is best-effort only.