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 7C368C4450A for ; Fri, 17 Jul 2026 01:38:01 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4h1Xbq59RBz2yVd; Fri, 17 Jul 2026 11:37:59 +1000 (AEST) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=172.105.4.254 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1784252279; cv=none; b=WKwGW8Go5OQujo4mYpHPTAEr5TeWGZcWMfPwJCZsnCZxDSfORUnT1w22XmEPx0TaXtT7kNmF9sVnZvvcxolVHWB/rEleC5xNv3PRwQv8QmKuxPCIL1lBAxfsDJabFopIQwU9rg3AqRd7MuCRqgtv1PfeAiBtNWqY8xycrrOKw3DVS2Ul3ZqTxwXvE0CDSQCuhTZZRTpT3yFu0Aez67kTCsqJxD8pbhsnwS3nOSHp/atBlYl0l5Lgq8zEcApXkvHMid3B2cr1PGkFVlG4Oz4hS3auWXKShE0wF2Ims7hVzD6IEKWcnG5O6ZEKdIG/+UbuaAzWjCszG9q1stU9KWiygw== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1784252279; c=relaxed/relaxed; bh=HQWHI05VLoFmTDGLD/8BrEB9TvW9zVg8VbA2I33LjSg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Qhj89pXUUzvO2F1qqg4OKJIrKWxEEl8oSdacMafZnHTpMrQHfqpIrn4UCMa1Ry/sjznumaHsPWUbdkaBU9Yc5NHesT+112OC7Q0flEJJNjKpLXn2VAYhEjCxC/GZdBXwRMFkCQBDl1aD3lLbjWx1mN4OCKv1QI2Cilo2mkCfJ0cdlvuVNh6sPHcQdfT20EmDMH66+IVwmfhzUuLqdc8ADOhX+MEr6wy5gJJ00l5K9EKcD+Z//68nq0z64kZGMPNtHPDZWnGDDVQ7N7XtPyRfBToPlPSMMapiNc8JwjNLpqYTIuZs66HvpMFBTFMH1y4a4FYnOGmVM8CT5gXH8BWcHQ== 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=SIjUb8Ae; dkim-atps=neutral; spf=pass (client-ip=172.105.4.254; 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=SIjUb8Ae; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=172.105.4.254; helo=tor.source.kernel.org; envelope-from=sashal@kernel.org; receiver=lists.ozlabs.org) Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) (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 4h1Xbp6sWZz2yRM for ; Fri, 17 Jul 2026 11:37:58 +1000 (AEST) Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 8313A60A6C; Fri, 17 Jul 2026 01:37:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D8CDB1F00A3E; Fri, 17 Jul 2026 01:37:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1784252276; bh=HQWHI05VLoFmTDGLD/8BrEB9TvW9zVg8VbA2I33LjSg=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=SIjUb8AeamEEXIjQWPL5g2nKM1WJlVr1ofaI2WGxaJ2yDbrytsFrAgMPqwGwBmtN3 7NYI8KEj2LUXkZvvOcs+bda2TUbTbPvjTA7U1Y/MJWyTSy0xhHYiM6XypYjqBoEgSv SoQy6esckD/8rVLNhc+/4l4BIaFbBXn2ntmmt+8PIZ5PL7qeD/6FzvfVqrC9fz07Iy 9Kq1WenZdQeSgIToBYH4qXZFlG+/zUqILKX9TbDrN2bbIbHrebV464VadK2s1PDePJ TKQF3Ppf4apxHj75gEcdvUJfgJxACGi8UvkwbliDGtzXVH5rf/40F/QNKhMPldv+Xg J4GYyJpJDbt9w== 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 6.12.y 0/6] cBPF JIT spray hardening Date: Thu, 16 Jul 2026 21:37:34 -0400 Message-ID: <20260716232340.0007-stable-reply@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260715-cbpf-jit-spray-hardening-6-12-y-v1-0-d8585a9aed80@linux.intel.com> References: <20260715-cbpf-jit-spray-hardening-6-12-y-v1-0-d8585a9aed80@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 On Wed, Jul 15, 2026 at 02:27:39PM -0700, Pawan Gupta wrote: > 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 6.12, thanks. -- Thanks, Sasha