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[46.193.1.135]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48722c95041sm277968485e9.6.2026.03.30.12.55.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Mar 2026 12:55:24 -0700 (PDT) From: Jiri Olsa X-Google-Original-From: Jiri Olsa Date: Mon, 30 Mar 2026 21:55:21 +0200 To: Alexei Starovoitov Cc: Venkat Rao Bagalkote , Christian Brauner , bpf , Saket Kumar Bhaskar , Abhishek Dubey , Hari Bathini , Madhavan Srinivasan Subject: Re: [linux-next-20260327]resolve_btfids warnings for unresolved bpf_lsm_bdev_* symbols Message-ID: References: <6ebc74b5-3dd8-4bb5-adac-fa32bf71eacd@linux.ibm.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Mon, Mar 30, 2026 at 07:42:18AM -0700, Alexei Starovoitov wrote: > On Mon, Mar 30, 2026 at 6:45 AM Venkat Rao Bagalkote > wrote: > > > > Hi, > > > > > > While testing linux-next, I’m seeing the following warnings during the > > build: > > > > > > WARN: resolve_btfids: unresolved symbol bpf_lsm_bdev_free > > > > WARN: resolve_btfids: unresolved symbol bpf_lsm_bdev_alloc > > > > Christian, > > looks like those two need some #ifdef > I think it's wrong hooks name, this fixes it for me jirka --- diff --git a/kernel/bpf/bpf_lsm.c b/kernel/bpf/bpf_lsm.c index 119e3942cf5a..0e74325d96a6 100644 --- a/kernel/bpf/bpf_lsm.c +++ b/kernel/bpf/bpf_lsm.c @@ -383,7 +383,7 @@ BTF_ID(func, bpf_lsm_task_prctl) BTF_ID(func, bpf_lsm_task_setscheduler) BTF_ID(func, bpf_lsm_task_to_inode) BTF_ID(func, bpf_lsm_userns_create) -BTF_ID(func, bpf_lsm_bdev_alloc) +BTF_ID(func, bpf_lsm_bdev_alloc_security) BTF_ID(func, bpf_lsm_bdev_setintegrity) BTF_SET_END(sleepable_lsm_hooks) @@ -397,8 +397,8 @@ BTF_ID(func, bpf_lsm_sk_alloc_security) BTF_ID(func, bpf_lsm_sk_free_security) #endif /* CONFIG_SECURITY_NETWORK */ BTF_ID(func, bpf_lsm_task_free) -BTF_ID(func, bpf_lsm_bdev_alloc) -BTF_ID(func, bpf_lsm_bdev_free) +BTF_ID(func, bpf_lsm_bdev_alloc_security) +BTF_ID(func, bpf_lsm_bdev_free_security) BTF_SET_END(untrusted_lsm_hooks) bool bpf_lsm_is_sleepable_hook(u32 btf_id)