From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A7D69C4450A for ; Sun, 19 Jul 2026 15:01:04 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4h36KV5Z8lz2xyh; Mon, 20 Jul 2026 01:01:02 +1000 (AEST) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip="2600:3c04:e001:324:0:1991:8:25" ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1784473262; cv=none; b=GcGvZIjcYKPUPjo7gh5jjsQVhafOUaemBBc0w09RY9rpO9MrelG29CLhXXAlCRkaPwvod2t2EFos7tcOxh6IjNZpUCBFU3zdTgeBqk/43pTsZipn7SUwwv49VryTYgI13DklDMltG8iTJWCMxLOa37DyUEHtxfmkJpS2PptQlAP2zPSM6GxI4XXWwzIOM3Gff97m4kKxTffs+DS1gy47tjEFTFCx5mSgObn7YiF5n5qo6JAUrDhQyOdqaqkjObtrmK6AgXliDBuvFeaSgD0IZ33mIgRq31ZQKGxncngy4RPY0KnNcH6l8jk47jlzQ8VdSjEKWsXSGInapwY2vkFTMw== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1784473262; c=relaxed/relaxed; bh=7XFHPq5doombv5JpyLz/Wpbmjc5CVKs6Bpy3BxDsQV8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=bQS/ywHT+DrOEkWEQH24lizd8nnS480ZL5vRsIYQk6YDU1dgUunJlRGF5im9u/v1MnDaLkV5qdLMArU2ec4AKhFFeqx2Qx2qcQDn9Q7nLBHhldZWlW/jgwtE5FG/BxvNKd1qrXAe7aBOk3+53Zpt2AGnlqbZIK/Kbok6NSI80lAWH+YsG81bRO/K/l2i+rI8LElS52Bw61G+L6aMaE81YWVUtyrDkFOkXqYSCFdsbkVVxrwVV+/Q0sm/RY2k8wJHgBlGkdeQ7vZKZ20T7eUT3smjyK1PmH6hzyJorPrEkt4Sem5/XA+2KCz3ityKHg08OTDesYT+JrMQbEdaQ2Cdfg== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=eIcXzbQv; dkim-atps=neutral; spf=pass (client-ip=2600:3c04:e001:324:0:1991:8:25; helo=tor.source.kernel.org; envelope-from=sashal@kernel.org; receiver=lists.ozlabs.org) smtp.mailfrom=kernel.org Authentication-Results: lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=eIcXzbQv; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=2600:3c04:e001:324:0:1991:8:25; helo=tor.source.kernel.org; envelope-from=sashal@kernel.org; receiver=lists.ozlabs.org) Received: from tor.source.kernel.org (tor.source.kernel.org [IPv6:2600:3c04:e001:324:0:1991:8:25]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4h36KT30CFz2xYg for ; Mon, 20 Jul 2026 01:01:01 +1000 (AEST) Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 81C3660A79; Sun, 19 Jul 2026 15:00:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E3E2F1F00AC4; Sun, 19 Jul 2026 15:00:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1784473258; bh=7XFHPq5doombv5JpyLz/Wpbmjc5CVKs6Bpy3BxDsQV8=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=eIcXzbQvV4Wy2N1R2hRKBwzyf8X5lOFVNxdhJVOZcffsmctfBv1TEGtarCMq2Wpyv f6zfyHuSzqs/hRqLhDnAO9rI4SVPD9DND8BxAEuCDWWF1HHxU/axoUMhnhwXJiTkwg VGl/igeMHvs5mJh6OTVFdwVO+k/roXgUVmPhC8b7FEXmiJjhbH7+lt2zKouM/onmCW hCliycS0AIgF7/bS9topBdEFwGcbw11pb8TiayDFlQXLOYHJqUEgnmd3c0XB9Hqz96 uHYIoJpcpY778ggUsU4H9QzevesVT+LY/3wUUJgihizT9j2TEXQoPDEbTQ8jOI7GMj 1efSimmyFQySQ== From: Sasha Levin To: stable@vger.kernel.org, Greg Kroah-Hartman Cc: Sasha Levin , bpf@vger.kernel.org, linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, x86@kernel.org, Alexei Starovoitov , Daniel Borkmann , Dave Hansen , Pawan Gupta Subject: Re: [PATCH 6.6.y 0/6] cBPF JIT spray hardening Date: Sun, 19 Jul 2026 11:00:30 -0400 Message-ID: <20260718192718.0016-stable-reply@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260717-cbpf-jit-spray-hardening-6-6-y-v1-0-e04f1b2893de@linux.intel.com> References: <20260717-cbpf-jit-spray-hardening-6-6-y-v1-0-e04f1b2893de@linux.intel.com> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit > These backports harden BPF JIT against spectre-v2 class of attacks. Without > a predictor flush, execution of new BPF program may use stale prediction > left behind by the freed one. Queued the series for 6.6, thanks. -- Thanks, Sasha