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=-0.7 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 6B1C9C43381 for ; Sun, 17 Mar 2019 10:43:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 45CB12085A for ; Sun, 17 Mar 2019 10:43:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727235AbfCQKnY (ORCPT ); Sun, 17 Mar 2019 06:43:24 -0400 Received: from mail-io1-f72.google.com ([209.85.166.72]:50400 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726927AbfCQKnB (ORCPT ); Sun, 17 Mar 2019 06:43:01 -0400 Received: by mail-io1-f72.google.com with SMTP id s24so7274417ioe.17 for ; Sun, 17 Mar 2019 03:43:01 -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=wTgv78jjaW2zKNT3hGEqn6xhzNVvM2xJXFrGJwez7EU=; b=l0j3oCdD6YrDY3bwM4QM/brIbrbM9hMaDgQAlGEx3ZxZn4eMJ1SyNppSSZMd0OVlJI 3S2XrcFvyuPXPa2zr8gAmGc36MB7rXjY2bYGpweKT7VqzZVHAGsmmrBeQntWolUcXHt5 YClyzEHi1PyridGn09wyPOtBY8xFw9UPBSelW+aTgAnZMHE9zguOc0v/Zygkktn4TS+k mz9N/upJwC6AacXlkUAW3ybdivVNoTIMU85pGky8hJBlaPiSrjMj50nG8CFr4w46O21d h9NJLEOUZ901yynzc3s6N2Eg+2a+je6uE0LEz1Z+4GeFKFBOrMEvDKCY6kCl5iVxIBwz xiag== X-Gm-Message-State: APjAAAXZNwm68dvPX2kWlT29JQKtEkm9CLqGWZy+VtWrPXfK7D/JYZ1M bHUbEkWB4TjAusZUCyW1IL6aGExXqIQMbdQl+4N4EYhAWpEh X-Google-Smtp-Source: APXvYqzTZB+rnFnwyOyOAYWeGsozYhs8YV/UZArezC96lqCwC7P+MGqzflAUGBZnODh+fyYILn4uisFm2mW2ZA1HDabAGukuWcnZ MIME-Version: 1.0 X-Received: by 2002:a5d:914f:: with SMTP id y15mr8142623ioq.18.1552819381224; Sun, 17 Mar 2019 03:43:01 -0700 (PDT) Date: Sun, 17 Mar 2019 03:43:01 -0700 In-Reply-To: <00000000000052a5500584348100@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000009e4ca4058447ef02@google.com> Subject: Re: KASAN: slab-out-of-bounds Read in linear_transfer From: syzbot To: alsa-devel-owner@alsa-project.org, alsa-devel@alsa-project.org, dan.carpenter@oracle.com, gustavo@embeddedor.com, joe@perches.com, linux-kernel@vger.kernel.org, perex@perex.cz, syzkaller-bugs@googlegroups.com, tiwai@suse.com, tiwai@suse.de, vkoul@kernel.org 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 syzbot has bisected this bug to: commit 65766ee0bf7fe8b3be80e2e1c3ef54ad59b29476 Author: Takashi Iwai Date: Fri Nov 9 10:59:45 2018 +0000 ALSA: oss: Use kvzalloc() for local buffer allocations bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11b70c2b200000 start commit: 65766ee0 ALSA: oss: Use kvzalloc() for local buffer alloca.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=13b70c2b200000 console output: https://syzkaller.appspot.com/x/log.txt?x=15b70c2b200000 kernel config: https://syzkaller.appspot.com/x/.config?x=7e1aaa1cfbfe1abf dashboard link: https://syzkaller.appspot.com/bug?extid=a39b5d3c50e55e24fb4d syz repro: https://syzkaller.appspot.com/x/repro.syz?x=113945fb200000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12ed3cf7200000 Reported-by: syzbot+a39b5d3c50e55e24fb4d@syzkaller.appspotmail.com Fixes: 65766ee0 ("ALSA: oss: Use kvzalloc() for local buffer allocations")