[PATCH v2 0/3] A trio of vchiq bulk transfer fixes

Nicolas Saenz Julienne nsaenzjulienne at suse.de
Mon Jan 11 10:43:59 EST 2021


On Tue, 2021-01-05 at 16:20 +0000, Phil Elwell wrote:
> The recent batch of vchiq improvements broke bulk transfers in two ways:
> 
> 1. The userdata associated with a transfer was lost in the case that a
>    non-blocking mode was used.
> 
> 2. The 64-bit ioctl compatibility shim for a bulk transfer used the
>    wrong ioctl command.
> 
> This patch set fixes both of those bugs, and adds a security-related
> note to the TODO file.
> 
> Changes in v2:
> - Expand the commit message on patch 1 to clarify the impact of the
>   bug, and add Tested-by.
> - Add commit 3 with an additional TODO item.
> - Change the name of the patch set to be numerically accurate.
> 
> Phil Elwell (3):
>   staging: vchiq: Fix bulk userdata handling
>   staging: vchiq: Fix bulk transfers on 64-bit builds
>   staging: vc04_services: Add a note to the TODO
> 
>  drivers/staging/vc04_services/interface/TODO                | 4 ++++
>  .../staging/vc04_services/interface/vchiq_arm/vchiq_arm.c   | 6 ++++--
>  2 files changed, 8 insertions(+), 2 deletions(-)
> 

Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne at suse.de>

Regards,
Nicolas

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