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 E30B61CDFCA; Wed, 20 May 2026 03:29:54 +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=1779247795; cv=none; b=RttbFcw6WdtAIb9H38DdppBwpjWw78QH9Mp5VyIWhQf03a7o/+hmjneYNaYzv8ghIGRKYRIiWST6zMhqymgJEk77CaGijHar1/44sGbXHSm/lvlyFOY+0RdlkrQ1GXo+RmADO/sUlbzPgeZ0qLCaXEOk9dZCv2SZI5q4SXbpbNQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779247795; c=relaxed/simple; bh=1dKEWOWNgDrx2Aayec82qKnctaqlT/mMVt+kcY/FUVY=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=u5tIVPO6ZmPMItCn14MNdwZkuZgL4JDz1gw8h5KI0MJqCGMvyEGnYgtWwCtxnXaSpXWgRRcvuQ3PMOjKIHRe/TqqJNRbO5zSv/8oEZydvFjqnB8TXu860EDHilvxv7Qhi9DchDbsZuAt0xnoCa8WjiC6ef3foCaAsKDVqHwscF0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ftR1GRJ/; 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="ftR1GRJ/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 900781F000E9; Wed, 20 May 2026 03:29:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779247794; bh=ClBedztygYFy0+zbbDihS07Ab/Sg/1+RrxUh0aeyxlE=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=ftR1GRJ/Y5mbsm1aTjcJ8TwqkbZBrCEI4pd459vWTrajSDHTs5XdSfvU5oJSD+K4P YfZBuz4ajBOHnIwZ4E3+20OnDpI7c024W3GE9I7bZb8gXhuWah+WgFXpybnR9y14dm aDcMgr/glXd2Ky6PsZbccQDWExn3O1y0b1BcNcVHzvChyTfu6A1Mu12wAANXFDiOuy lqqfcB+gVIYRSgRak/ZxAmweuRYeuVhgJw6IFPkiNpD5Ci1cCQUVUQjHX+abI7g19a v+9TK1cz74svt77oNLSBcYNuoZvOpGVCt9ZYEWLKqdRHiKxugxmqHFK/wJixjwH7ir XmB5ahpolhHlw== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 939E93930186; Wed, 20 May 2026 03:30:06 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-security-module@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH v2] bpf: reject NULL data/sig in bpf_verify_pkcs7_signature From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177924780515.2971098.5196189504345300156.git-patchwork-notify@kernel.org> Date: Wed, 20 May 2026 03:30:05 +0000 References: <20260520024059.313468-1-kpsingh@kernel.org> In-Reply-To: <20260520024059.313468-1-kpsingh@kernel.org> To: KP Singh Cc: bpf@vger.kernel.org, linux-security-module@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net, dongxianrui1@gmail.com Hello: This patch was applied to bpf/bpf.git (master) by Kumar Kartikeya Dwivedi : On Wed, 20 May 2026 04:40:59 +0200 you wrote: > __bpf_dynptr_data() can return NULL (FILE dynptrs, any non-contiguous > backing). bpf_verify_pkcs7_signature() forwards the pointer to > verify_pkcs7_signature() unchecked, causing a NULL deref in > asn1_ber_decoder() reachable from a sleepable BPF LSM at lsm.s/bpf. > > NULL-check both pointers and reject with -EINVAL. Mirrors the guards > already in kernel/bpf/crypto.c. > > [...] Here is the summary with links: - [v2] bpf: reject NULL data/sig in bpf_verify_pkcs7_signature https://git.kernel.org/bpf/bpf/c/49b18315be4e You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html