linux-kernel - BUG: unable to handle kernel paging request in snd_seq_oss_readq

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Message-ID: <001a113f890a511649055e335219@google.com>
Date:   Fri, 17 Nov 2017 12:10:00 -0800
From:   syzbot 
        <bot+31681772ec7a18dde8d3f8caf475f361a89b9514@...kaller.appspotmail.com>
To:     alsa-devel@...a-project.org, dvyukov@...gle.com,
        linux-kernel@...r.kernel.org, perex@...ex.cz, salyzyn@...roid.com,
        syzkaller-bugs@...glegroups.com, tiwai@...e.com, tiwai@...e.de
Subject: BUG: unable to handle kernel paging request in snd_seq_oss_readq_puts

Hello,

syzbot has tested the proposed patch but the reproducer still triggered  
crash:
no output from test machine



Tested on commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/linux-4.14.y
compiler: gcc (GCC) 7.1.1 20170620
Patch is attached.
Kernel config is attached.
Raw console output is attached.


View attachment "config.txt" of type "text/plain" (123647 bytes)

View attachment "patch.txt" of type "text/plain" (561 bytes)

Download attachment "raw.log" of type "application/octet-stream" (542 bytes)