mbox series

[bpf-next,0/3] bpf: Allow helpers access ptr_to_btf_id.

Message ID 20230313235845.61029-1-alexei.starovoitov@gmail.com (mailing list archive)
Headers show
Series bpf: Allow helpers access ptr_to_btf_id. | expand

Message

Alexei Starovoitov March 13, 2023, 11:58 p.m. UTC
From: Alexei Starovoitov <ast@kernel.org>

Allow code like:
bpf_strncmp(task->comm, 16, "foo");

Alexei Starovoitov (3):
  bpf: Fix bpf_strncmp proto.
  bpf: Allow helpers access trusted PTR_TO_BTF_ID.
  selftests/bpf: Add various tests to check helper access into
    ptr_to_btf_id.

 kernel/bpf/helpers.c                          |  2 +-
 kernel/bpf/verifier.c                         | 15 ++++++++
 .../selftests/bpf/progs/task_kfunc_failure.c  | 36 +++++++++++++++++++
 .../selftests/bpf/progs/task_kfunc_success.c  |  4 +++
 4 files changed, 56 insertions(+), 1 deletion(-)

Comments

John Fastabend March 14, 2023, 5:33 a.m. UTC | #1
Alexei Starovoitov wrote:
> From: Alexei Starovoitov <ast@kernel.org>
> 
> Allow code like:
> bpf_strncmp(task->comm, 16, "foo");
> 
> Alexei Starovoitov (3):
>   bpf: Fix bpf_strncmp proto.
>   bpf: Allow helpers access trusted PTR_TO_BTF_ID.
>   selftests/bpf: Add various tests to check helper access into
>     ptr_to_btf_id.
> 
>  kernel/bpf/helpers.c                          |  2 +-
>  kernel/bpf/verifier.c                         | 15 ++++++++
>  .../selftests/bpf/progs/task_kfunc_failure.c  | 36 +++++++++++++++++++
>  .../selftests/bpf/progs/task_kfunc_success.c  |  4 +++
>  4 files changed, 56 insertions(+), 1 deletion(-)
> 
> -- 
> 2.34.1
> 

For the series,

Acked-by: John Fastabend <john.fastabend@gmail.com>
patchwork-bot+netdevbpf@kernel.org March 14, 2023, 6:40 a.m. UTC | #2
Hello:

This series was applied to bpf/bpf-next.git (master)
by Martin KaFai Lau <martin.lau@kernel.org>:

On Mon, 13 Mar 2023 16:58:42 -0700 you wrote:
> From: Alexei Starovoitov <ast@kernel.org>
> 
> Allow code like:
> bpf_strncmp(task->comm, 16, "foo");
> 
> Alexei Starovoitov (3):
>   bpf: Fix bpf_strncmp proto.
>   bpf: Allow helpers access trusted PTR_TO_BTF_ID.
>   selftests/bpf: Add various tests to check helper access into
>     ptr_to_btf_id.
> 
> [...]

Here is the summary with links:
  - [bpf-next,1/3] bpf: Fix bpf_strncmp proto.
    https://git.kernel.org/bpf/bpf-next/c/c9267aa8b794
  - [bpf-next,2/3] bpf: Allow helpers access trusted PTR_TO_BTF_ID.
    https://git.kernel.org/bpf/bpf-next/c/3e30be4288b3
  - [bpf-next,3/3] selftests/bpf: Add various tests to check helper access into ptr_to_btf_id.
    https://git.kernel.org/bpf/bpf-next/c/f25fd6088216

You are awesome, thank you!