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From: Leon Romanovsky <leon@kernel.org>
To: Jason Gunthorpe <jgg@mellanox.com>
Cc: syzbot <syzbot+e11efb687f5ab7f01f3d@syzkaller.appspotmail.com>,
	dledford@redhat.com, linux-kernel@vger.kernel.org,
	linux-rdma@vger.kernel.org, monis@mellanox.com,
	syzkaller-bugs@googlegroups.com, yanjunz@mellanox.com
Subject: Re: KASAN: use-after-free Read in rxe_query_port
Date: Tue, 10 Mar 2020 09:39:36 +0200	[thread overview]
Message-ID: <20200310073936.GF172334@unreal> (raw)
In-Reply-To: <20200309173451.GA15143@mellanox.com>

On Mon, Mar 09, 2020 at 02:34:51PM -0300, Jason Gunthorpe wrote:
> On Sun, Mar 01, 2020 at 03:20:12AM -0800, syzbot wrote:
> > Hello,
> >
> > syzbot found the following crash on:
> >
> > HEAD commit:    f8788d86 Linux 5.6-rc3
> > git tree:       upstream
> > console output: https://syzkaller.appspot.com/x/log.txt?x=132d3645e00000
> > kernel config:  https://syzkaller.appspot.com/x/.config?x=9833e26bab355358
> > dashboard link: https://syzkaller.appspot.com/bug?extid=e11efb687f5ab7f01f3d
> > compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
> >
> > Unfortunately, I don't have any reproducer for this crash yet.
> >
> > IMPORTANT: if you fix the bug, please add the following tag to the commit:
> > Reported-by: syzbot+e11efb687f5ab7f01f3d@syzkaller.appspotmail.com
>
> Yanjun, do you have some idea what this could be?

See this fix in the net mailing list.
https://lore.kernel.org/netdev/20200306134518.84416-1-kgraul@linux.ibm.com

Thanks

>
> Thanks,
> Jason

  parent reply	other threads:[~2020-03-10  7:39 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-01 11:20 KASAN: use-after-free Read in rxe_query_port syzbot
2020-03-09 17:34 ` Jason Gunthorpe
2020-03-10  2:43   ` Yanjun Zhu
2020-03-10  7:39   ` Leon Romanovsky [this message]
2020-03-10  8:21     ` Yanjun Zhu
2020-03-10  8:41       ` Leon Romanovsky
2020-03-10 14:52     ` Jason Gunthorpe

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