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[176.184.51.42]) by smtp.gmail.com with ESMTPSA id j13-20020a056000124d00b0034b7906c716sm3564205wrx.106.2024.04.24.03.05.55 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 24 Apr 2024 03:05:58 -0700 (PDT) Message-ID: Date: Wed, 24 Apr 2024 12:05:54 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/2] net: Provide MemReentrancyGuard * to qemu_new_nic() To: P J P , Mauro Matteo Cascella , Akihiko Odaki Cc: Alexander Bulekov , Dmitry Fleytman , Beniamino Galvani , Peter Maydell , Strahinja Jankovic , Jason Wang , "Edgar E. Iglesias" , Alistair Francis , Stefan Weil , =?UTF-8?Q?C=C3=A9dric_Le_Goater?= , Andrew Jeffery , Joel Stanley , Richard Henderson , Helge Deller , Sriram Yagnaraman , Thomas Huth , Aleksandar Rikalo , Subbaraya Sundeep , Jan Kiszka , Tyrone Ting , Hao Wu , Max Filippov , Jiri Pirko , Daniel Henrique Barboza , David Gibson , Greg Kurz , Harsh Prateek Bora , Sven Schnelle , "Michael S. Tsirkin" , Stefano Stabellini , Anthony Perard , Paul Durrant , Rob Herring , Gerd Hoffmann , qemu-arm@nongnu.org, qemu-devel@nongnu.org, qemu-ppc@nongnu.org, xen-devel@lists.xenproject.org References: <20230601031859.7115-1-akihiko.odaki@daynix.com> <20230601031859.7115-2-akihiko.odaki@daynix.com> Content-Language: en-US From: =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= In-Reply-To: <20230601031859.7115-2-akihiko.odaki@daynix.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2a00:1450:4864:20::433; envelope-from=philmd@linaro.org; helo=mail-wr1-x433.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Hi, On 1/6/23 05:18, Akihiko Odaki wrote: > Recently MemReentrancyGuard was added to DeviceState to record that the > device is engaging in I/O. The network device backend needs to update it > when delivering a packet to a device. > > In preparation for such a change, add MemReentrancyGuard * as a > parameter of qemu_new_nic(). An user on IRC asked if this patch is related/fixing CVE-2021-20255, any clue? > Signed-off-by: Akihiko Odaki > --- > include/net/net.h | 1 + > hw/net/allwinner-sun8i-emac.c | 3 ++- > hw/net/allwinner_emac.c | 3 ++- > hw/net/cadence_gem.c | 3 ++- > hw/net/dp8393x.c | 3 ++- > hw/net/e1000.c | 3 ++- > hw/net/e1000e.c | 2 +- > hw/net/eepro100.c | 4 +++- > hw/net/etraxfs_eth.c | 3 ++- > hw/net/fsl_etsec/etsec.c | 3 ++- > hw/net/ftgmac100.c | 3 ++- > hw/net/i82596.c | 2 +- > hw/net/igb.c | 2 +- > hw/net/imx_fec.c | 2 +- > hw/net/lan9118.c | 3 ++- > hw/net/mcf_fec.c | 3 ++- > hw/net/mipsnet.c | 3 ++- > hw/net/msf2-emac.c | 3 ++- > hw/net/mv88w8618_eth.c | 3 ++- > hw/net/ne2000-isa.c | 3 ++- > hw/net/ne2000-pci.c | 3 ++- > hw/net/npcm7xx_emc.c | 3 ++- > hw/net/opencores_eth.c | 3 ++- > hw/net/pcnet.c | 3 ++- > hw/net/rocker/rocker_fp.c | 4 ++-- > hw/net/rtl8139.c | 3 ++- > hw/net/smc91c111.c | 3 ++- > hw/net/spapr_llan.c | 3 ++- > hw/net/stellaris_enet.c | 3 ++- > hw/net/sungem.c | 2 +- > hw/net/sunhme.c | 3 ++- > hw/net/tulip.c | 3 ++- > hw/net/virtio-net.c | 6 ++++-- > hw/net/vmxnet3.c | 2 +- > hw/net/xen_nic.c | 4 ++-- > hw/net/xgmac.c | 3 ++- > hw/net/xilinx_axienet.c | 3 ++- > hw/net/xilinx_ethlite.c | 3 ++- > hw/usb/dev-network.c | 3 ++- > net/net.c | 1 + > 40 files changed, 75 insertions(+), 41 deletions(-)