Re: [PATCH v4 0/9] platform/x86: hp-bioscfg: buffer handling fixes

[Muhammad Bilal]

Hi,

I have sent v5 of this series. [1]

Link: https://lore.kernel.org/all/20261007134711.473857-1-meatuni001@xxxxxxxxx/
[1]

Thanks.
Muhammad Bilal

On Sat, Oct 3, 2026 at 12:14 AM Muhammad Bilal <meatuni001@xxxxxxxxx> wrote:
>
> Buffer handling fixes for hp-bioscfg.
>
> Patches 1-2 fix hp_get_string_from_buffer(), 3-5 the password
> handling, 6 the sysfs store paths, 7-9 SPM and integer parsing.
>
> Changes in v4:
>  - Add patches 4-9
>
> Changes in v3:
>  - Drop Suggested-by: Andy Shevchenko from patch 2, tidy its includes
>    and declarations (Andy)
>  - Return -E2BIG instead of -ERANGE in patch 3 (Andy)
>  - Drop a blank line in the declarations in patch 1 (Andy)
>
> Changes in v2:
>  - Split the hp_get_string_from_buffer() fix in two (Ilpo)
>  - Drop the lib/string_helpers patch, use @only of string_escape_mem()
>    instead (Andy)
>  - Add patch 3
>
> Muhammad Bilal (9):
>   platform/x86: hp-bioscfg: fix OOB reads in hp_get_string_from_buffer()
>   platform/x86: hp-bioscfg: fix non-ASCII truncation in
>     hp_get_string_from_buffer()
>   platform/x86: hp-bioscfg: return -E2BIG from validate_password_input()
>   platform/x86: hp-bioscfg: allow clearing current_password
>   platform/x86: hp-bioscfg: fix off-by-one in password length check
>   platform/x86: hp-bioscfg: fix heap OOB with embedded NUL in store
>     paths
>   platform/x86: hp-bioscfg: validate SPM state returned by firmware
>   platform/x86: hp-bioscfg: NUL-terminate the SPM auth token
>   platform/x86: hp-bioscfg: fix oops on short integer attribute buffer
>
>  drivers/platform/x86/hp/hp-bioscfg/bioscfg.c  | 79 ++++++-------------
>  drivers/platform/x86/hp/hp-bioscfg/bioscfg.h  |  2 +-
>  .../x86/hp/hp-bioscfg/int-attributes.c        |  7 +-
>  .../x86/hp/hp-bioscfg/passwdobj-attributes.c  | 20 +++--
>  .../x86/hp/hp-bioscfg/spmobj-attributes.c     |  8 +-
>  5 files changed, 51 insertions(+), 65 deletions(-)
>
> --
> 2.43.0
>