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 7DEEE2FE591; Tue, 12 Aug 2025 17:38:10 +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=1755020290; cv=none; b=hlVw34GqUrhuu6+LdilHuCZMomjix0bKjSL2AvUQ4QIuApTQ/wLhORs6y5THhz9rcSb8xqa/szQ440kxPtjPXqPwhauzbg0ncP/BM6mN8X/wfadz4dVpzz86C7E5sZBZw6i+eS3AKT30R+exGJQ/2Hhe4Mau1Jyofn5cOfQ8N28= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755020290; c=relaxed/simple; bh=hMdCDfECN6DqbLVOiqFeqltArl/ocSHeFClJ4Z5yVWA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=I1bhMhmXO87ZxY2ozUp/IOMgV51nY+xjdbA803T/Nj9Gkcqkx4y0AhP+g8e6Imj9jvF7RjCQayJU/dt9kzvTDGPWlXTsUKBxnFb/wpyhoW33M/vqvnVcRRBqGyk6SQaVwGWmwqC2WyyAjDfiUOMFGNjaAegcXfKq9ko+i+aUUvs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=fRwno6ux; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="fRwno6ux" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 03A0DC4CEF0; Tue, 12 Aug 2025 17:38:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1755020290; bh=hMdCDfECN6DqbLVOiqFeqltArl/ocSHeFClJ4Z5yVWA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fRwno6ux3sTO4vrliUJ6zrDPo/9/Mp2KuiuLrABsPMm0lxm3y1+NsakOycbpYuaOf 64J/OzYanX6J5l3uqkoOPvEXV2z08JRRJefK2CQuUro2L/NjU5KKCyhGiRvxHTgITM i5X4lSYMfFhoEHu6vwo6wQYOz+4kCFMeycaChG50= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Haoxiang Li , Michal Swiatkowski , Aleksandr Loktionov , Simon Horman , Tony Nguyen , Rinitha S Subject: [PATCH 6.1 037/253] ice: Fix a null pointer dereference in ice_copy_and_init_pkg() Date: Tue, 12 Aug 2025 19:27:05 +0200 Message-ID: <20250812172950.310613449@linuxfoundation.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250812172948.675299901@linuxfoundation.org> References: <20250812172948.675299901@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Haoxiang Li commit 4ff12d82dac119b4b99b5a78b5af3bf2474c0a36 upstream. Add check for the return value of devm_kmemdup() to prevent potential null pointer dereference. Fixes: c76488109616 ("ice: Implement Dynamic Device Personalization (DDP) download") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li Reviewed-by: Michal Swiatkowski Reviewed-by: Aleksandr Loktionov Reviewed-by: Simon Horman Tested-by: Rinitha S (A Contingent worker at Intel) Signed-off-by: Tony Nguyen Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/intel/ice/ice_flex_pipe.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/net/ethernet/intel/ice/ice_flex_pipe.c +++ b/drivers/net/ethernet/intel/ice/ice_flex_pipe.c @@ -1753,6 +1753,8 @@ ice_copy_and_init_pkg(struct ice_hw *hw, return ICE_DDP_PKG_ERR; buf_copy = devm_kmemdup(ice_hw_to_dev(hw), buf, len, GFP_KERNEL); + if (!buf_copy) + return ICE_DDP_PKG_ERR; state = ice_init_pkg(hw, buf_copy, len); if (!ice_is_init_pkg_successful(state)) {