netdev - Re: [PATCH v2 bpf 0/3] show more accurrate bpf program address

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] [day] [month] [year] [list]

Message-ID: <0d079058-048a-36a0-db1a-c31b990ea669@iogearbox.net>
Date:   Fri, 2 Nov 2018 21:45:58 +0100
From:   Daniel Borkmann <daniel@...earbox.net>
To:     Song Liu <songliubraving@...com>, netdev@...r.kernel.org
Cc:     kernel-team@...com, ast@...nel.org, sandipan@...ux.vnet.ibm.com
Subject: Re: [PATCH v2 bpf 0/3] show more accurrate bpf program address

On 11/02/2018 06:16 PM, Song Liu wrote:
> Changes v1 -> v2:
> 1. Added main program length to bpf_prog_info->jited_fun_lens (3/3).
> 2. Updated commit message of 1/3 and 2/3 with more background about the
>    address masking, and why it is still save after the changes.
> 3. Replace "ulong" with "unsigned long".
> 
> This set improves bpf program address showed in /proc/kallsyms and in
> bpf_prog_info. First, real program address is showed instead of page
> address. Second, when there is no subprogram, bpf_prog_info->jited_ksyms
> and bpf_prog_info->jited_fun_lens returns the main prog address and
> length.
> 
> Song Liu (3):
>   bpf: show real jited prog address in /proc/kallsyms
>   bpf: show real jited address in bpf_prog_info->jited_ksyms
>   bpf: show main program address and length in bpf_prog_info
> 
>  kernel/bpf/core.c    |  4 +---
>  kernel/bpf/syscall.c | 34 ++++++++++++++++++++++++----------
>  2 files changed, 25 insertions(+), 13 deletions(-)
> 
> --
> 2.17.1
> 

Applied to bpf, thanks!