Re: [PATCH v2 1/2] net: Provide MemReentrancyGuard * to qemu_new_nic()

[Philippe Mathieu-Daudé <philmd@xxxxxxxxxx>]

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 <akihiko.odaki@xxxxxxxxxx>
> ---
>   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(-)