netdev - Re: [PATCH v2 0/2] Bluetooth: Fix skb handling in net/bluetooth/mgmt.c

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Message-ID: <CAOs-w0LmVOS-UMSmebeB9XzU_WVCortUrvJVA4Ek3jk18_7WVQ@mail.gmail.com>
Date:   Tue, 1 Feb 2022 21:12:32 +0100
From:   Radosław Biernacki <rad@...ihalf.com>
To:     linux-bluetooth <linux-bluetooth@...r.kernel.org>,
        Luiz Augusto von Dentz <luiz.dentz@...il.com>,
        Marcel Holtmann <marcel@...tmann.org>
Cc:     CrosBT Upstreaming <chromeos-bluetooth-upstreaming@...omium.org>,
        Archie Pusaka <apusaka@...omium.org>,
        Miao-chen Chou <mcchou@...omium.org>,
        Jakub Kicinski <kuba@...nel.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "open list:NETWORKING [GENERAL]" <netdev@...r.kernel.org>,
        upstream@...ihalf.com, Angela Czubak <acz@...ihalf.com>,
        Marek Maslanka <mm@...ihalf.com>,
        Radoslaw Biernacki <rad@...ihalf.ocm>
Subject: Re: [PATCH v2 0/2] Bluetooth: Fix skb handling in net/bluetooth/mgmt.c

Hey, please ignore this one as I made a typo in the domain name :|

wt., 1 lut 2022 o 21:03 Radoslaw Biernacki <rad@...ihalf.com> napisał(a):
>
> Here is second version of the fix for skb handling in net/bluetooth/mgmt.c
> First patch is fixing the skb allocation which theoretically might push skb
> tail beyond its end.
> Second patch simplifies operations on eir while using skb.
> Patches adds two helper functions to eir.h to align to the goal of
> eliminating the necessity of intermediary buffers, which can be achieved
> with additional changes done in this spirit.
>
> v1->v2:
>  - fix mgmt_device_connected()
>  - add eir_skb_put_data() - function for skb handing with eir
>
> Radoslaw Biernacki (2):
>   Bluetooth: Fix skb allocation in mgmt_remote_name() &
>     mgmt_device_connected()
>   Bluetooth: Improve skb handling in mgmt_device_connected()
>
>  net/bluetooth/eir.h  | 20 ++++++++++++++++++++
>  net/bluetooth/mgmt.c | 43 ++++++++++++++++---------------------------
>  2 files changed, 36 insertions(+), 27 deletions(-)
>
> --
> 2.35.0.rc2.247.g8bbb082509-goog
>