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[34.141.176.97]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-aa6656f306csm759543766b.61.2024.12.12.00.31.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Dec 2024 00:31:21 -0800 (PST) Date: Thu, 12 Dec 2024 08:31:17 +0000 From: Matt Bobrowski To: Song Liu Cc: bpf@vger.kernel.org, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, kernel-team@meta.com, andrii@kernel.org, ast@kernel.org, daniel@iogearbox.net, martin.lau@linux.dev, kpsingh@kernel.org Subject: Re: [PATCH bpf-next] bpf: lsm: Remove hook to bpf_task_storage_free Message-ID: References: <20241212075956.2614894-1-song@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241212075956.2614894-1-song@kernel.org> On Wed, Dec 11, 2024 at 11:59:56PM -0800, Song Liu wrote: > free_task() already calls bpf_task_storage_free(). It is not necessary > to call it again on security_task_free(). Remove the hook. Acked-by: Matt Bobrowski > Signed-off-by: Song Liu > > --- > > This was initially sent in a patchset [1]. However, this patch is not > closely related to other patches in the set, so sending it alone. > > [1] https://lore.kernel.org/bpf/20241112083700.356299-1-song@kernel.org/ > --- > security/bpf/hooks.c | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/security/bpf/hooks.c b/security/bpf/hooks.c > index 3663aec7bcbd..db759025abe1 100644 > --- a/security/bpf/hooks.c > +++ b/security/bpf/hooks.c > @@ -13,7 +13,6 @@ static struct security_hook_list bpf_lsm_hooks[] __ro_after_init = { > #include > #undef LSM_HOOK > LSM_HOOK_INIT(inode_free_security, bpf_inode_storage_free), > - LSM_HOOK_INIT(task_free, bpf_task_storage_free), > }; > > static const struct lsm_id bpf_lsmid = { > -- > 2.43.5 >