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 08F11264619; Thu, 29 Jan 2026 02:50:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769655017; cv=none; b=MY+9n9yQaxJQcBkI0CD1X8wsTYcUQjRIjdiyIODclp7pJzhxHGHRG1OW2zbxOAu5rNsYmN0Xk+MeNJ7JQjlcQF68aNDn8RubmNJds52NjttbzMhYLtezjV26yen2rvDrzOn4zDevcQAr05y0yBOVkHvaEiW942ePVRTkYG7SemE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769655017; c=relaxed/simple; bh=RMbQZGd6MTe6Yx7WbbqH0wbPl9UJbr0uWhS7gdlb8C0=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=o1NhEPuPS1r5PlgK4q5AOQHK24SkuWKSwi9U+LC2PaQEnZQTIA1gN9JxLe8an7N4dvF8G9iO1poz1UDMRD9UfxpvoJDQKbN3rDIogO4NCnoK+e7OUXsSZh7HtUceHjNWRgCW69YQmTm4+xTOhcZYiT08+4EgyUYHXgivnDNj+n0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=EPi8ku3e; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="EPi8ku3e" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1CB5CC4CEF1; Thu, 29 Jan 2026 02:50:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769655015; bh=RMbQZGd6MTe6Yx7WbbqH0wbPl9UJbr0uWhS7gdlb8C0=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=EPi8ku3eubNO0/BSRi76+WTFhWErjj+ovjRm9fdtfymmrnndbYv1xKFC82qtfsjSL 6I83F6799B0lf1gWDrNKHGSHGxZUs+TjgRZMR5VFAdot41FSaPTPQXg7HHk/TV1SHz 2CXzc0VQuxGllQgXJ3SwKKRCFEumKcK28aYBy0fNAEFJtIG5j6p+MpZkZk76lUOlI3 EUqPquramASa+dc89Y/HOZTnERvESmr5zS7rxbwkozZWYfL0FG3nlST1zT0rdnp8hR 0g1AQyFwPKYqctURD9AU0yCsRvqB5J6Jv0HQySlTcXNNHyTiWMr20hWH7PwiolvRUk 82aeMVL9nxtgg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 8BBF7380AA61; Thu, 29 Jan 2026 02:50:09 +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 0/2] bpf: Fix verifier_bug_if to account for BPF_CALL From: patchwork-bot+netdevbpf@kernel.org Message-Id: <176965500835.2326292.18318567298833649268.git-patchwork-notify@kernel.org> Date: Thu, 29 Jan 2026 02:50:08 +0000 References: <20260127115912.3026761-1-luis.gerhorst@fau.de> In-Reply-To: <20260127115912.3026761-1-luis.gerhorst@fau.de> To: Luis Gerhorst Cc: ast@kernel.org, daniel@iogearbox.net, john.fastabend@gmail.com, andrii@kernel.org, martin.lau@linux.dev, eddyz87@gmail.com, song@kernel.org, yonghong.song@linux.dev, kpsingh@kernel.org, sdf@fomichev.me, haoluo@google.com, jolsa@kernel.org, shuah@kernel.org, isolodrai@meta.com, memxor@gmail.com, bpf@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Hello: This series was applied to bpf/bpf-next.git (master) by Alexei Starovoitov : On Tue, 27 Jan 2026 12:59:10 +0100 you wrote: > This fixes the verifier_bug_if() that runs on nospec_result to not trigger > for BPF_CALL (bug reported by Hu, Mei, and Mu). See patch 1 for a full > description and patch 2 for a test (based on the PoC from the report). > > While working on this I noticed two other problems: > > - nospec_result is currently ignored for BPF_CALL during patching, but it > may be required if we assume the CPU may speculate into/out of functions. > > [...] Here is the summary with links: - [bpf-next,1/2] bpf: Fix verifier_bug_if to account for BPF_CALL https://git.kernel.org/bpf/bpf-next/c/cd3b6a3d49f8 - [bpf-next,2/2] bpf: Test nospec after dead stack write in helper https://git.kernel.org/bpf/bpf-next/c/60d2c438c1bb You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html