Development discussion of WireGuard
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From: Jakub Kicinski <kuba@kernel.org>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: Eric Dumazet <edumazet@google.com>,
	"Jason A. Donenfeld" <Jason@zx2c4.com>,
	syzbot <syzbot+c2775460db0e1c70018e@syzkaller.appspotmail.com>,
	netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com,
	davem@davemloft.net, linux-kernel@vger.kernel.org,
	pabeni@redhat.com, wireguard@lists.zx2c4.com, jann@thejh.net
Subject: Re: [syzbot] [wireguard?] KASAN: slab-use-after-free Write in enqueue_timer
Date: Wed, 24 May 2023 08:33:41 -0700	[thread overview]
Message-ID: <20230524083341.0cd435f7@kernel.org> (raw)
In-Reply-To: <CACT4Y+YcNt8rvJRK+XhCZa1Ocw9epHg1oSGc28mntjY3HWZp1g@mail.gmail.com>

On Wed, 24 May 2023 10:24:31 +0200 Dmitry Vyukov wrote:
> FWIW There are more report examples on the dashboard.
> There are some that don't mention wireguard nor usbnet, e.g.:
> https://syzkaller.appspot.com/text?tag=CrashReport&x=17dd2446280000
> So that's probably red herring. But they all seem to mention alloc_netdev_mqs.

While we have you, let me ask about the possibility of having vmcore
access - I think it'd be very useful to solve this mystery. 
With a bit of luck the timer still has the function set.

  reply	other threads:[~2023-05-24 15:33 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-30 18:01 syzbot
2023-05-23 15:46 ` Jason A. Donenfeld
2023-05-23 16:05   ` Jakub Kicinski
2023-05-23 16:12     ` Eric Dumazet
2023-05-23 16:41       ` Jakub Kicinski
2023-05-23 16:42         ` Jason A. Donenfeld
2023-05-23 16:47           ` Jakub Kicinski
2023-05-23 17:01             ` Jason A. Donenfeld
2023-05-23 17:05               ` Eric Dumazet
2023-05-23 17:07                 ` Eric Dumazet
2023-05-24  8:24                   ` Dmitry Vyukov
2023-05-24 15:33                     ` Jakub Kicinski [this message]
2023-05-24 15:39                       ` Jakub Kicinski
2023-05-23 16:14     ` Jason A. Donenfeld
2023-05-23 16:46       ` Jakub Kicinski
2023-05-23 16:47         ` Jason A. Donenfeld
2023-05-23 17:16           ` Jason A. Donenfeld
2023-05-23 17:28             ` Jason A. Donenfeld

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