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From: Greg KH <gregkh@linuxfoundation.org>
To: syzbot <syzbot+a7e220df5a81d1ab400e@syzkaller.appspotmail.com>
Cc: andreyknvl@google.com, balbi@kernel.org,
	dan.carpenter@oracle.com, glider@google.com,
	linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
	syzkaller-bugs@googlegroups.com
Subject: Re: KMSAN: kernel-infoleak in raw_ioctl
Date: Mon, 10 Aug 2020 09:47:06 +0200	[thread overview]
Message-ID: <20200810074706.GD1529187@kroah.com> (raw)
In-Reply-To: <000000000000ce85c405ac744ff6@google.com>

On Sun, Aug 09, 2020 at 09:27:18AM -0700, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    ce8056d1 wip: changed copy_from_user where instrumented
> git tree:       https://github.com/google/kmsan.git master
> console output: https://syzkaller.appspot.com/x/log.txt?x=141eb8b2900000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=3afe005fb99591f
> dashboard link: https://syzkaller.appspot.com/bug?extid=a7e220df5a81d1ab400e
> compiler:       clang version 10.0.0 (https://github.com/llvm/llvm-project/ c2443155a0fb245c8f17f2c1c72b6ea391e86e81)
> userspace arch: i386
> 
> Unfortunately, I don't have any reproducer for this issue yet.

The irony of a kernel module written for syzbot testing, causing syzbot
reports....


  reply	other threads:[~2020-08-10  7:46 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-09 16:27 KMSAN: kernel-infoleak in raw_ioctl syzbot
2020-08-10  7:47 ` Greg KH [this message]
2020-08-10  9:00   ` Dmitry Vyukov
2020-08-10  9:08     ` Greg KH
2020-08-10  9:15       ` Greg KH
2020-08-10  9:57         ` Greg KH
2020-08-10 10:21           ` Dmitry Vyukov
2020-08-10 11:06             ` Greg KH
2020-08-10 14:07             ` Andrey Konovalov
2020-08-10 14:17               ` Dmitry Vyukov
2020-08-19  6:33 ` syzbot

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