Received: by 2002:a25:4158:0:0:0:0:0 with SMTP id o85csp4108678yba; Mon, 29 Apr 2019 13:55:10 -0700 (PDT) X-Google-Smtp-Source: APXvYqx6v+rhq/hIVT2udujeDcUXS9IeR00huci9MFYNd4RPI9uWXr6SRFrGqSgN+4+IxR3ldA7X X-Received: by 2002:a62:2fc7:: with SMTP id v190mr63920289pfv.10.1556571310760; Mon, 29 Apr 2019 13:55:10 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1556571310; cv=none; d=google.com; s=arc-20160816; b=oSzs965LISeCAbI0JEjeH8jw6eP3/j5JQQgp2VpIvwxm3Q/PMWZd483/hyjWGXH4jg ffBjbGffe/ZoP95sUUjNQE4E9UE2y9f3zfIDe/A1Nqfo7cc6WgF5t+1zfbmB3Eh1MzPT Kf2qsvZIEuBEfA6NYLg/bYk2Q9+QyG6oMaUJcEir/28tCu1HGom9bKsddP3M+1LecHWA jCBjcO43Kmo0TZeTN7mVMjsfJ6kIigTtn6FgcVq6ZXxebrALiDE77vEmOoVtHsEhb6uG Kn6m5OS087wL0P5nPkKxKAXx5u7dFmEmWUtiTjEKHjMT76/gmZF1yg8D11qqEwtOOacp ywfQ== 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=cAm7uQCoto51MF3DbmJ8qiz81JKkTC17o7TMeFgJuaY=; b=090RFIz7ZFwkksWAgrYoAHQYqVO3MH85hZ9DgD9HmTFFgloUyMXodOnxPYUVIfSsTP zWfgJixEXo78rw9syaTHMgz6Cuo7NOm9kDkGgPOSzDi7QcSlGby07NA6rie1LKrWF4Td HjcgffPuLQ7wYS0DO4nHdpw7YA1Np08IDB8L8dNAQzkUsu9CAZFiMD5OJROa79oAyIQK Sm4mwvtEH909fqYk3WOvyPOmssg/jn9VLZ06kQ1+n3dugf9p6lgFFofdlEX1ca6V2giY S4iWvQBBfP13BeWOEbfQt9C5PCYaKu6KPeULPXE1wwYh8bGUgZJDhZM8Fb0rDb7e2ei2 1PqQ== 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 g64si20459732pfd.281.2019.04.29.13.54.54; Mon, 29 Apr 2019 13:55:10 -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 S1729412AbfD2UwC (ORCPT + 99 others); Mon, 29 Apr 2019 16:52:02 -0400 Received: from mail-it1-f200.google.com ([209.85.166.200]:57729 "EHLO mail-it1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728669AbfD2UwB (ORCPT ); Mon, 29 Apr 2019 16:52:01 -0400 Received: by mail-it1-f200.google.com with SMTP id p23so624836itc.7 for ; Mon, 29 Apr 2019 13:52:01 -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=cAm7uQCoto51MF3DbmJ8qiz81JKkTC17o7TMeFgJuaY=; b=LmCBFZ6ep+a9c4VEY1OTMpCfPbm/Rn8+yhkgbRX48PANqFAWytmjAxEXsmzcNmHd7W pRXBeXrp2UtHZNtFuub/U/Quagv+Pc9zVpRQGQHT1ZVgil7IaCdQgnkRYLxe8ewJzR3+ SQIiahCi1iS6zzMs7rY4JevIkyZQR82IBR7/m/Fmc0TnsdHWezkJtoVtskMzkCrXQ7eJ zw9h5N4HQ7oOgVOZOzN7eKs1C0n9gqi8Us+LlT4/8Ttt+mNwpSApsKWXbItr13mYlxm/ EfWaQZNcewEpSXLK31JZ9r3/GGzLCklJV6zbA/qfQdjiE6z3fKxAPxy2Jrfcmk3MoO5K O3qQ== X-Gm-Message-State: APjAAAVrM2XeZkSyiRLV7/fexja9hSAjivK2sNUCVIqxXRTTVgAOpo4O TLe9kYYJQe/9GlNpDVetnOqRIU3CuXRMZpKdmRmC/lh7iAFL MIME-Version: 1.0 X-Received: by 2002:a6b:b989:: with SMTP id j131mr27265452iof.131.1556571121028; Mon, 29 Apr 2019 13:52:01 -0700 (PDT) Date: Mon, 29 Apr 2019 13:52:01 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000bc95620587b1748e@google.com> Subject: Re: KASAN: slab-out-of-bounds Read in hex_string From: syzbot To: andreyknvl@google.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, rafael@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+a9fefd18c7b240f19c54@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=16c59788a00000 Note: testing is done by a robot and is best-effort only.