From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B795120EE0 for ; Tue, 22 Aug 2023 23:20:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 22F5BC433C8; Tue, 22 Aug 2023 23:20:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1692746423; bh=Jp/R5bM7feTSbJsWvncxf4LlSM/MdFEoyTlerPM3Tz0=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=nNXNYr9CCZM4gbYun5RcTE93UDFS+RmgwoquKKZmilK6t3905dFYQeIkJN7GNBj5t R8cGEXwkxN2O6pNwy0H5ZN1hGTZd332vta1WxHKeGAKlM8NwXaOzQOzIZs28M43U4K xn/UDwcbiCVdZz9iWGkaq5WL+ZfRulTQcRi9YkaC6gQQVGEKGX+GkTyGVbVu4hzgfE N/woEcERRQVxd8168nhiXtoJsBRizZXVx28DvMvpQZe/3cLWv6/G5xFQV8yvj9SQr+ it88D9yu9M6sZIO+ZknqKM8KFOsWEmXOC0NImmdMoEd58eqKVzH62jA9Tf1iLte71v Qr69JuJfXOGIw== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 0979EE21ED3; Tue, 22 Aug 2023 23:20:23 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH bpf-next] libbpf: Free btf_vmlinux when closing bpf_object From: patchwork-bot+netdevbpf@kernel.org Message-Id: <169274642302.20036.5459020650772319908.git-patchwork-notify@kernel.org> Date: Tue, 22 Aug 2023 23:20:23 +0000 References: <20230822193840.1509809-1-haoluo@google.com> In-Reply-To: <20230822193840.1509809-1-haoluo@google.com> To: Hao Luo Cc: bpf@vger.kernel.org, andrii@kernel.org, ast@kernel.org, daniel@iogearbox.net, martin.lau@linux.dev, song@kernel.org, yonghong.song@linux.dev, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@google.com, jolsa@kernel.org Hello: This patch was applied to bpf/bpf-next.git (master) by Andrii Nakryiko : On Tue, 22 Aug 2023 12:38:40 -0700 you wrote: > I hit a memory leak when testing bpf_program__set_attach_target(). > Basically, set_attach_target() may allocate btf_vmlinux, for example, > when setting attach target for bpf_iter programs. But btf_vmlinux > is freed only in bpf_object_load(), which means if we only open > bpf object but not load it, setting attach target may leak > btf_vmlinux. > > [...] Here is the summary with links: - [bpf-next] libbpf: Free btf_vmlinux when closing bpf_object https://git.kernel.org/bpf/bpf-next/c/29d67fdebc42 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html