[PATCH 0/9] barebox KASan support

[Ahmad Fatoum]

Hello Sascha,

On 9/18/20 10:45 AM, Sascha Hauer wrote:
> This series adds KASan support to barebox. We already have ASan support
> for sandbox which uses libasan, this time we get KASan for use on real
> hardware. The KASan support is based on the Kernel code and contains the
> subset of features we need for barebox. KASan is currently supported on
> ARM(32/64) only and requires a supported allocator. Currently only the
> TLSF allocator is supported.

Should the md/mw/memcpy commands be exempt from KASAN checks?

> 
> Sascha
> 
> Sascha Hauer (9):
>   Add print_hex_dump kernel implementation
>   Add _RET_IP_ macro
>   Kallsyms: Also resolve global variables
>   Add constructor support
>   pbl: Alias memcpy and memset
>   string: Add nokasan variants of default memcpy/memset
>   sandbox: rename KASan to ASan
>   Add KASan support
>   ARM: Add KASan support
> 
>  Makefile                          |   6 +-
>  arch/arm/Kconfig                  |   1 +
>  arch/arm/cpu/Makefile             |   2 +
>  arch/arm/cpu/common.c             |   2 +-
>  arch/arm/cpu/setupc.S             |   6 +-
>  arch/arm/cpu/start.c              |   7 +-
>  arch/arm/include/asm/string.h     |   2 +
>  arch/arm/lib32/barebox.lds.S      |   4 +-
>  arch/arm/lib32/memcpy.S           |   3 +
>  arch/arm/lib32/memset.S           |   4 +-
>  arch/arm/lib64/string.c           |  26 ++-
>  arch/sandbox/Kconfig              |   4 +-
>  arch/sandbox/Makefile             |   2 +-
>  arch/sandbox/os/Makefile          |   4 -
>  arch/sandbox/os/common.c          |   2 +-
>  common/Kconfig                    |  10 +-
>  common/Makefile                   |   1 +
>  common/kallsyms.c                 |   4 +-
>  common/startup.c                  |  15 ++
>  common/tlsf.c                     |  34 +++-
>  include/asm-generic/barebox.lds.h |  12 ++
>  include/asm-generic/sections.h    |   3 +
>  include/linux/kasan.h             |  89 +++++++++
>  include/linux/kernel.h            |   2 +
>  include/printk.h                  |  20 +-
>  include/string.h                  |   4 +
>  lib/Kconfig                       |   5 +
>  lib/Makefile                      |   1 +
>  lib/hexdump.c                     | 212 +++++++++++++++++++-
>  lib/kasan/Kconfig                 |  16 ++
>  lib/kasan/Makefile                |  14 ++
>  lib/kasan/common.c                | 108 ++++++++++
>  lib/kasan/generic.c               | 315 ++++++++++++++++++++++++++++++
>  lib/kasan/generic_report.c        | 150 ++++++++++++++
>  lib/kasan/kasan.h                 | 164 ++++++++++++++++
>  lib/kasan/report.c                | 199 +++++++++++++++++++
>  lib/string.c                      |  28 ++-
>  pbl/string.c                      |   7 +
>  scripts/Makefile.kasan            |  17 ++
>  scripts/Makefile.lib              |  10 +
>  40 files changed, 1461 insertions(+), 54 deletions(-)
>  create mode 100644 include/linux/kasan.h
>  create mode 100644 lib/kasan/Kconfig
>  create mode 100644 lib/kasan/Makefile
>  create mode 100644 lib/kasan/common.c
>  create mode 100644 lib/kasan/generic.c
>  create mode 100644 lib/kasan/generic_report.c
>  create mode 100644 lib/kasan/kasan.h
>  create mode 100644 lib/kasan/report.c
>  create mode 100644 scripts/Makefile.kasan
> 

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