linux-kernel - WARNING: at net/core/stream.c:204

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Message-ID: <CAASgV=sXLAvjwdwSz7GDQJn9_F3z99bH5JD4sPLJVVgEjCQA3A@mail.gmail.com>
Date:   Thu, 2 Nov 2017 08:36:44 -0400
From:   Shankara Pailoor <sp3485@...umbia.edu>
To:     David Miller <davem@...emloft.net>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>, acme@...ectiva.com.br,
        alan@...rguk.ukuu.org.uk
Cc:     Andrew Zhu Aday <andrew.aday@...umbia.edu>,
        syzkaller <syzkaller@...glegroups.com>
Subject: WARNING: at net/core/stream.c:204

Hi,

We encountered the following warning when fuzzing with Syzkaller on
Linux 4.14-rc4. Syzkaller was able to isolate the sequence of calls
which caused the bug but couldn't create a C program that could
regularly trigger it.


Here are the logs from the reproducer attempts: https://pastebin.com/QWQZK6hW

Here is the original stack trace: https://pastebin.com/7L4WciRr

Regards,
Shankara