netdev - Re: [PATCH v5 bpf-next 3/5] bpf: Add bpf_copy_from

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Tue, 30 Jun 2020 13:41:29 +0200
From:   KP Singh <kpsingh@...omium.org>
To:     Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc:     davem@...emloft.net, daniel@...earbox.net, paulmck@...nel.org,
        netdev@...r.kernel.org, bpf@...r.kernel.org, kernel-team@...com
Subject: Re: [PATCH v5 bpf-next 3/5] bpf: Add bpf_copy_from_user() helper.

On 29-Jun 21:33, Alexei Starovoitov wrote:
> From: Alexei Starovoitov <ast@...nel.org>
> 
> Sleepable BPF programs can now use copy_from_user() to access user memory.
> 
> Signed-off-by: Alexei Starovoitov <ast@...nel.org>
> Acked-by: Andrii Nakryiko <andriin@...com>

Really looking forward!

Acked-by: KP Singh <kpsingh@...gle.com>

> ---
>  include/linux/bpf.h            |  1 +
>  include/uapi/linux/bpf.h       | 11 ++++++++++-
>  kernel/bpf/helpers.c           | 22 ++++++++++++++++++++++
>  kernel/trace/bpf_trace.c       |  2 ++
>  tools/include/uapi/linux/bpf.h | 11 ++++++++++-
>  5 files changed, 45 insertions(+), 2 deletions(-)
> 

[...]

> +	/* */
>  
>  /* integer value in 'imm' field of BPF_CALL instruction selects which helper
>   * function eBPF program intends to call
> -- 
> 2.23.0
>