From: Eric Dumazet <edumazet@google.com>
To: "David S . Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
Paolo Abeni <pabeni@redhat.com>
Cc: Antoine Tenart <atenart@kernel.org>,
netdev@vger.kernel.org, eric.dumazet@gmail.com,
syzbot+c5da1f087c9e4ec6c933@syzkaller.appspotmail.com,
Willem de Bruijn <willemb@google.com>
Subject: Re: [PATCH net] ppp_async: limit MRU to 64K
Date: Tue, 6 Feb 2024 17:50:47 +0100 [thread overview]
Message-ID: <CANn89i+tP20g2YSb-9rELT3s4Kz+ODOGTsbKf9eYH0JkzFcYSQ@mail.gmail.com> (raw)
In-Reply-To: <20240206144313.2050392-3-edumazet@google.com>
On Tue, Feb 6, 2024 at 3:43 PM Eric Dumazet <edumazet@google.com> wrote:
>
> syzbot triggered a warning [1] in __alloc_pages():
>
> WARN_ON_ONCE_GFP(order > MAX_PAGE_ORDER, gfp)
>
> Willem fixed a similar issue in commit c0a2a1b0d631 ("ppp: limit MRU to 64K")
>
> Adopt the same sanity check for ppp_async_ioctl(PPPIOCSMRU)
>
Oops, sorry for the duplicate.
next prev parent reply other threads:[~2024-02-06 16:51 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-06 14:42 [PATCH v4 net-next 00/15] net: more factorization in cleanup_net() paths Eric Dumazet
2024-02-06 14:42 ` [PATCH v4 net-next 01/15] net: add exit_batch_rtnl() method Eric Dumazet
2024-02-06 14:42 ` [PATCH net] ppp_async: limit MRU to 64K Eric Dumazet
2024-02-06 16:50 ` Eric Dumazet [this message]
2024-02-07 3:00 ` patchwork-bot+netdevbpf
2024-02-06 14:42 ` [PATCH v4 net-next 02/15] nexthop: convert nexthop_net_exit_batch to exit_batch_rtnl method Eric Dumazet
2024-02-07 17:57 ` David Ahern
2024-02-06 14:43 ` [PATCH v4 net-next 03/15] bareudp: use exit_batch_rtnl() method Eric Dumazet
2024-02-06 14:43 ` [PATCH v4 net-next 04/15] bonding: " Eric Dumazet
2024-02-06 14:43 ` [PATCH v4 net-next 05/15] geneve: " Eric Dumazet
2024-02-06 14:43 ` [PATCH v4 net-next 06/15] gtp: " Eric Dumazet
2024-02-06 14:43 ` [PATCH v4 net-next 07/15] ipv4: add __unregister_nexthop_notifier() Eric Dumazet
2024-02-07 18:06 ` David Ahern
2024-02-06 14:43 ` [PATCH v4 net-next 08/15] vxlan: use exit_batch_rtnl() method Eric Dumazet
2024-02-06 14:43 ` [PATCH v4 net-next 09/15] ip6_gre: " Eric Dumazet
2024-02-06 14:43 ` [PATCH v4 net-next 10/15] ip6_tunnel: " Eric Dumazet
2024-02-06 14:43 ` [PATCH v4 net-next 11/15] ip6_vti: " Eric Dumazet
2024-02-06 14:43 ` [PATCH v4 net-next 12/15] sit: " Eric Dumazet
2024-02-06 14:43 ` [PATCH v4 net-next 13/15] ip_tunnel: " Eric Dumazet
2024-02-06 14:43 ` [PATCH v4 net-next 14/15] bridge: " Eric Dumazet
2024-02-06 14:43 ` [PATCH v4 net-next 15/15] xfrm: interface: " Eric Dumazet
2024-02-07 10:27 ` [PATCH v4 net-next 00/15] net: more factorization in cleanup_net() paths Antoine Tenart
2024-02-08 3:10 ` patchwork-bot+netdevbpf
-- strict thread matches above, loose matches on Subject: below --
2024-02-05 17:10 [PATCH net] ppp_async: limit MRU to 64K Eric Dumazet
2024-02-05 18:59 ` Willem de Bruijn
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