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From: Eric Dumazet <eric.dumazet@gmail.com>
To: Thibaut Sautereau <thibaut.sautereau@clip-os.org>,
	netdev@vger.kernel.org, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org
Cc: "David S. Miller" <davem@davemloft.net>,
	Laura Abbott <labbott@redhat.com>,
	Kees Cook <keescook@chromium.org>,
	Alexander Potapenko <glider@google.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	clipos@ssi.gouv.fr
Subject: Re: Double free of struct sk_buff reported by SLAB_CONSISTENCY_CHECKS with init_on_free
Date: Mon, 4 Nov 2019 09:33:18 -0800	[thread overview]
Message-ID: <719eebd3-259d-8beb-025a-f2d17c632711@gmail.com> (raw)
In-Reply-To: <20191104170303.GA50361@gandi.net>



On 11/4/19 9:03 AM, Thibaut Sautereau wrote:
> 
> We first encountered this issue under huge network traffic (system image
> download), and I was able to reproduce by simply sending a big packet
> with `ping -s 65507 <ip>`, which crashes the kernel every single time.
> 

Since you have a repro, could you start a bisection ?

Thanks !



  reply	other threads:[~2019-11-04 17:33 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-04 17:03 Double free of struct sk_buff reported by SLAB_CONSISTENCY_CHECKS with init_on_free Thibaut Sautereau
2019-11-04 17:33 ` Eric Dumazet [this message]
2019-11-05  8:05   ` Thibaut Sautereau
2019-11-05 10:19     ` Alexander Potapenko
2019-11-05 15:04       ` Thibaut Sautereau
2019-11-05  9:00 ` Vlastimil Babka
2019-11-05 14:32   ` Thibaut Sautereau
2019-11-05 15:02     ` Vlastimil Babka
2019-11-05 17:01       ` Laura Abbott
2019-11-06  9:29         ` Thibaut Sautereau

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