linux-kernel - Re: [PATCH RFC] random: fix syzkaller fuzzer test int overflow

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Message-ID: <59F19BEB.7090100@hisilicon.com>
Date:   Thu, 26 Oct 2017 16:25:15 +0800
From:   Chen Feng <puck.chen@...ilicon.com>
To:     "Theodore Ts'o" <tytso@....edu>,
        Greg KH <gregkh@...uxfoundation.org>, <zhaoyukun@...wei.com>,
        <arnd@...db.de>, <linux-kernel@...r.kernel.org>,
        <suzhuangluan@...ilicon.com>, <dan.zhao@...ilicon.com>
Subject: Re: [PATCH RFC] random: fix syzkaller fuzzer test int overflow



On 2017/10/25 16:49, Theodore Ts'o wrote:
> Other people who have sent me fuzzer test reproducers are able to
> reproduce syzkaller logs into a simple C program.  Can you explain to
> me what the heck:
> 
>> r3 = syz_open_dev$urandom(&(0x7f000000a000)="2f6465762f7572616e646f6d00", 0x0, 0x0)
> 
> means?

Take a look at this:

https://github.com/google/syzkaller/blob/master/sys/linux/random.txt

> 
> 					- Ted
> 
>