From patchwork Sat Nov 16 16:28:24 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thorsten Blum X-Patchwork-Id: 13877637 Received: from out-171.mta0.migadu.com (out-171.mta0.migadu.com [91.218.175.171]) (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 77EE817E010 for ; Sat, 16 Nov 2024 16:28:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.171 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731774515; cv=none; b=cgXczb8ftwAGAnezvQBtqvPC1ySXJefAD8xZwjcaiLpM6eVBMjx14/Y7Vl7jhpFQUqsQrH32rEJO9W7dfJX1Js3W0BXq3WSYnBEgOllWhotX9H3ZN3yX/tNwlTszTSX+m4w9SYgIZPAy9bqMr2odSVrPmt5euJu4bX/l6ivA040= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731774515; c=relaxed/simple; bh=kOAI5lix9Ed17w5NCYaMHAZuqm5vJa1RMZ7TPcrnMmw=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=r1U2y/xIjNCIsLYSS8AoByrXsScxrW8me2brl27AmR/+ggdw3i3RmAGXBmRs3Qf20Bu9+lLq4KmSy36yCA31AwMPwB546QcJmEqB1fZCAtnoQP8+z260dft4WoVKsRSeUNeVySKgEyG4nOl+L3PH3dNuNTADwtO2+Tc/mSuWnpI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=oVbntF+K; arc=none smtp.client-ip=91.218.175.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="oVbntF+K" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1731774510; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=YfwACum2e9ImWiqsDCrhshsPNGyjoxiAESW2iCRRMW4=; b=oVbntF+KoeCVNKrPqFHT3XZLLUtnR6mR8WoNGaa3Wg7ciapVbFvwnvzInmCx2rWwTpVP4y 2Spsp9dC88vrdbG42KgYvBL69oXtXfYCsPWC1+dXD2BUYpRj/+/BkdUQrjlGOSvrmz9Vao UfCJLVGbMUO4B10tLtYprLCJu4xD+eA= From: Thorsten Blum To: Marcelo Ricardo Leitner , Xin Long Cc: linux-hardening@vger.kernel.org, Thorsten Blum , linux-sctp@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] sctp: Replace zero-length array with flexible array member Date: Sat, 16 Nov 2024 17:28:24 +0100 Message-ID: <20241116162825.33164-1-thorsten.blum@linux.dev> Precedence: bulk X-Mailing-List: linux-hardening@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT Replace the deprecated zero-length array with a modern flexible array member in the struct sctp_idatahdr. Link: https://github.com/KSPP/linux/issues/78 Signed-off-by: Thorsten Blum Reviewed-by: Kees Cook --- include/linux/sctp.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/sctp.h b/include/linux/sctp.h index 836a7e200f39..19eaaf3948ed 100644 --- a/include/linux/sctp.h +++ b/include/linux/sctp.h @@ -239,7 +239,7 @@ struct sctp_idatahdr { __u32 ppid; __be32 fsn; }; - __u8 payload[0]; + __u8 payload[]; }; struct sctp_idata_chunk {