netdev - Re: [PATCH net-next] audit: Move audit_log_task declaration under CONFIG

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Date:   Thu, 21 Nov 2019 21:38:48 +0100
From:   Daniel Borkmann <daniel@...earbox.net>
To:     Jiri Olsa <jolsa@...nel.org>,
        "David S. Miller" <davem@...emloft.net>
Cc:     kbuild test robot <lkp@...el.com>, netdev@...r.kernel.org,
        Steve Grubb <sgrubb@...hat.com>,
        Alexei Starovoitov <ast@...nel.org>
Subject: Re: [PATCH net-next] audit: Move audit_log_task declaration under
 CONFIG_AUDITSYSCALL

On 11/21/19 4:58 PM, Jiri Olsa wrote:
> The 0-DAY found that audit_log_task is not declared under
> CONFIG_AUDITSYSCALL which causes compilation error when
> it is not defined:
> 
>      kernel/bpf/syscall.o: In function `bpf_audit_prog.isra.30':
>   >> syscall.c:(.text+0x860): undefined reference to `audit_log_task'
> 
> Adding the audit_log_task declaration and stub within
> CONFIG_AUDITSYSCALL ifdef.
> 
> Fixes: 91e6015b082b ("bpf: Emit audit messages upon successful prog load and unload")
> Reported-by: kbuild test robot <lkp@...el.com>
> Signed-off-by: Jiri Olsa <jolsa@...nel.org>

Acked-by: Daniel Borkmann <daniel@...earbox.net>