From: Igor Russkikh <irusskikh@marvell.com>
To: Zekun Shen <bruceshenzk@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>, <netdev@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <brendandg@nyu.edu>
Subject: Re: [EXT] [PATCH] atlantic: fix double-free in aq_ring_tx_clean
Date: Fri, 19 Nov 2021 08:39:50 +0100 [thread overview]
Message-ID: <eb7f2b27-4c8d-f935-18c3-3d70caa0c5c8@marvell.com> (raw)
In-Reply-To: <YZbAsgT17yxu4Otk@a-10-27-17-117.dynapool.vpn.nyu.edu>
> We found this bug while fuzzing the device driver. Using and freeing
> the dangling pointer buff->skb would cause use-after-free and
> double-free.
>
> This bug is triggerable with compromised/malfunctioning devices. We
> found the bug with QEMU emulation and tested the patch by emulation.
> We did NOT test on a real device.
>
> Attached is the bug report.
>
Reviewed-by: Igor Russkikh <irusskikh@marvell.com>
Thank you for submitting this!
Igor
next prev parent reply other threads:[~2021-11-19 7:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-18 21:08 Zekun Shen
2021-11-19 7:39 ` Igor Russkikh [this message]
2021-11-19 12:00 ` patchwork-bot+netdevbpf
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