From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 0B12341E6D8; Tue, 4 Aug 2026 07:30:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785828650; cv=none; b=sEzybW+OUmy1wYsxG5Tg6v1RgsdAPVLHZVTHEzkQlZxhZHb25NXFlScvKc6tp5odNk+KsX2M2TdSsvxfH2dbpfA6clRN4vI2iay4mdcCJtivCazqgwCChckcfdXf7Ctkc20IalpF3ri8Lmz9Rm2Bx8zlfrd1HtyFu4lnO1z/+1k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785828650; c=relaxed/simple; bh=uQo5xmHWgWZM+XNe9mvOTnt7Nc54mzCP0VFu1Jw45J8=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=eNrEJMJ20FZ8r/peEYDFrxWmI5o1NqAKWDUrd1NchwMUg9l9BcG8e3JmgGfGLAbB9gVl2erCDxI2dM7E+wqOg4IZUCgsU56+g++x5qQDQ2YMGWhGfkU2QSw+fhIe03R2kcyTICFeSd1TRwjF9GMXC7b/xEbO4e/PGV9jl7xb4sQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=A6Q2mknU; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="A6Q2mknU" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9B7E51F000E9; Tue, 4 Aug 2026 07:30:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785828648; bh=Mgv41DrsNNY5KSr/+kJxMfoMTv6unJRL/btwkappeSo=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=A6Q2mknU8T3IvjsgFjyXL0egXOcFAG26Uz/FjLstMJZEgxpnRnPaG68g9mYrqKCDe vp9nGDvKH8UHypZmK2NTl6ylGqqIEfahcif/wLkqOlT5lLcZEDiM2297uoGfLSDKlG 1deN9y5DYKPi/FQNP2xh9LnmbFhiXpG4lDk4iQA/Dv7Du0iFxQncSfjTcoVsiLBTM7 rSdtvapvon+ATdJBa69+Pt6Nc0z1XfCTlKVJGgmuJwcXDqFm4pYRrRHcjPQSXsXLGd HMj9bIFgTsBQVK/6o4FibqsHnet8Y69p57pICfXGVdtk4+ryMTkKQzLIlw/JrXiB46 NM0F2qPTaqMsw== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 93B123924A65; Tue, 4 Aug 2026 07:30:10 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH] fsverity: Fix bpf_get_fsverity_digest() dynptr assumptions From: patchwork-bot+netdevbpf@kernel.org Message-Id: <178582860939.3014158.15212060647956229102.git-patchwork-notify@kernel.org> Date: Tue, 04 Aug 2026 07:30:09 +0000 References: <20260731003925.2728977-1-ebiggers@kernel.org> In-Reply-To: <20260731003925.2728977-1-ebiggers@kernel.org> To: Eric Biggers Cc: fsverity@lists.linux.dev, bpf@vger.kernel.org, linux-kernel@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, eddyz87@gmail.com, memxor@gmail.com, martin.lau@linux.dev, song@kernel.org, yonghong.song@linux.dev, emil@etsalapatis.com, jolsa@kernel.org, stable@vger.kernel.org Hello: This patch was applied to bpf/bpf.git (master) by Kumar Kartikeya Dwivedi : On Fri, 31 Jul 2026 00:39:25 +0000 you wrote: > The BPF verifier and the dynptr abstraction ensure that the memory space > referenced by a dynptr remains valid. They do not, however, provide any > guarantee that the contents of the memory are stable. kfuncs are > expected to remain memory-safe even if concurrent modifications occur. > > bpf_get_fsverity_digest() didn't follow that: it could crash if > arg->digest_size was concurrently modified. > > [...] Here is the summary with links: - fsverity: Fix bpf_get_fsverity_digest() dynptr assumptions https://git.kernel.org/bpf/bpf/c/3e8ec7c03872 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html