linux-kernel - Re: [PATCH] bpf, lsm: Fix getlsmprop hooks BTF IDs

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Message-ID: <Z0HMbErrqgrklLSC@krava>
Date: Sat, 23 Nov 2024 13:37:00 +0100
From: Jiri Olsa <olsajiri@...il.com>
To: Thomas Weißschuh <linux@...ssschuh.net>
Cc: KP Singh <kpsingh@...nel.org>,
	Matt Bobrowski <mattbobrowski@...gle.com>,
	Alexei Starovoitov <ast@...nel.org>,
	Daniel Borkmann <daniel@...earbox.net>,
	Andrii Nakryiko <andrii@...nel.org>,
	Martin KaFai Lau <martin.lau@...ux.dev>,
	Eduard Zingerman <eddyz87@...il.com>, Song Liu <song@...nel.org>,
	Yonghong Song <yonghong.song@...ux.dev>,
	John Fastabend <john.fastabend@...il.com>,
	Stanislav Fomichev <sdf@...ichev.me>, Hao Luo <haoluo@...gle.com>,
	Paul Moore <paul@...l-moore.com>,
	Casey Schaufler <casey@...aufler-ca.com>, bpf@...r.kernel.org,
	linux-kernel@...r.kernel.org, audit@...r.kernel.org,
	selinux@...r.kernel.org
Subject: Re: [PATCH] bpf, lsm: Fix getlsmprop hooks BTF IDs

On Sat, Nov 23, 2024 at 11:19:01AM +0100, Thomas Weißschuh wrote:
> The hooks got renamed, adapt the BTF IDs.
> Fixes the following build warning:
> 
>   BTFIDS  vmlinux
> WARN: resolve_btfids: unresolved symbol bpf_lsm_task_getsecid_obj
> WARN: resolve_btfids: unresolved symbol bpf_lsm_current_getsecid_subj
> 
> Fixes: 37f670aacd48 ("lsm: use lsm_prop in security_current_getsecid")
> Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>

Acked-by: Jiri Olsa <olsajiri@...il.com>

thanks,
jirka

> ---
>  kernel/bpf/bpf_lsm.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/kernel/bpf/bpf_lsm.c b/kernel/bpf/bpf_lsm.c
> index 3bc61628ab251e05d7837eb27dabc3b62bcc4783..5be76572ab2e8a0c6e18a81f9e4c14812a11aad2 100644
> --- a/kernel/bpf/bpf_lsm.c
> +++ b/kernel/bpf/bpf_lsm.c
> @@ -375,8 +375,8 @@ BTF_ID(func, bpf_lsm_socket_socketpair)
>  
>  BTF_ID(func, bpf_lsm_syslog)
>  BTF_ID(func, bpf_lsm_task_alloc)
> -BTF_ID(func, bpf_lsm_current_getsecid_subj)
> -BTF_ID(func, bpf_lsm_task_getsecid_obj)
> +BTF_ID(func, bpf_lsm_current_getlsmprop_subj)
> +BTF_ID(func, bpf_lsm_task_getlsmprop_obj)
>  BTF_ID(func, bpf_lsm_task_prctl)
>  BTF_ID(func, bpf_lsm_task_setscheduler)
>  BTF_ID(func, bpf_lsm_task_to_inode)
> 
> ---
> base-commit: 228a1157fb9fec47eb135b51c0202b574e079ebf
> change-id: 20241123-bpf_lsm_task_getsecid_obj-afdd47f84c7f
> 
> Best regards,
> -- 
> Thomas Weißschuh <linux@...ssschuh.net>
>