From: Matthieu Baerts <matttbe@kernel.org>
To: Al Viro <viro@zeniv.linux.org.uk>
Cc: Eric Dumazet <edumazet@google.com>,
davem@davemloft.net, geliang@kernel.org, horms@kernel.org,
kuba@kernel.org, linux-kernel@vger.kernel.org,
martineau@kernel.org, mptcp@lists.linux.dev,
netdev@vger.kernel.org, pabeni@redhat.com,
syzkaller-bugs@googlegroups.com,
syzbot <syzbot+e364f774c6f57f2c86d1@syzkaller.appspotmail.com>
Subject: Re: [syzbot] [mptcp?] general protection fault in proc_scheduler
Date: Sun, 5 Jan 2025 18:03:40 +0100 [thread overview]
Message-ID: <95a51b11-cc3c-4282-8069-4549f9fcc321@kernel.org> (raw)
In-Reply-To: <20250104202126.GH1977892@ZenIV>
Hi Al,
On 04/01/2025 21:21, Al Viro wrote:
> The real issue (and the one that affects more than just this scenario) is
> the use of current->nsproxy->net to get to the damn thing.
>
> Why not something like
(...)
> seeing that the data object you really want to access is
> mptcp_get_pernet(net)->scheduler and you have that pointer
> stored in table->data at the registration time?
Good point, thank you for the suggestion! :)
I will do this modification.
Cheers,
Matt
--
Sponsored by the NGI0 Core fund.
next prev parent reply other threads:[~2025-01-05 17:03 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-02 14:12 [syzbot] [mptcp?] general protection fault in proc_scheduler syzbot
2025-01-02 15:21 ` Eric Dumazet
2025-01-04 18:38 ` Matthieu Baerts
2025-01-04 18:53 ` Eric Dumazet
2025-01-04 19:00 ` Al Viro
2025-01-04 19:11 ` Matthieu Baerts
2025-01-04 20:21 ` Al Viro
2025-01-05 8:32 ` Eric Dumazet
2025-01-05 11:29 ` Al Viro
2025-01-05 16:52 ` Eric Dumazet
2025-01-05 17:03 ` Matthieu Baerts
2025-01-05 19:54 ` Al Viro
2025-01-05 20:50 ` Al Viro
2025-01-05 21:11 ` Al Viro
2025-01-05 17:03 ` Matthieu Baerts [this message]
2025-01-04 19:11 ` Matthieu Baerts
2025-01-06 13:32 ` Joel Granados
2025-01-06 14:27 ` Matthieu Baerts
2025-01-06 15:27 ` Eric Dumazet
2025-01-06 15:34 ` Matthieu Baerts
2025-01-08 14:37 ` Joel Granados
2025-01-04 20:09 ` Al Viro
2025-01-03 10:32 ` Hillf Danton
2025-01-03 10:52 ` syzbot
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