From patchwork Tue Jul 2 08:47:24 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bastien Nocera X-Patchwork-Id: 13719125 Received: from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net [217.70.183.196]) (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 020AC14F9CA for ; Tue, 2 Jul 2024 08:49:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.196 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719910152; cv=none; b=VMRdDHEdBHV8YUKCiha2WzrwB31LcGIY+R0PVYns7yfWWrJ+tWMYv0H41GCH33Adev8VvOWxY2gJM4B3xE4XYlE++EntyG1v9UXPizUbeGzm/8B3+4CX2CZnXPCPCIVUMZOnlEAHzjYstBMl9VkX68mk+KlhKgUwLBXrFGNEUow= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719910152; c=relaxed/simple; bh=AMs8ychV2P29ai3YR75bpglgCf2JFXuMVDB5Yw5686M=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Xk6DEJjAxRB6rA2r0qoSxyf1Mfzf5oW/5YfO475HkkOYc2letAMlc3RviRK6yxmfxK++uFlYJBbDQPdO6oKK5msAx+3dAwCdW+Gve1DuiptseW4dW3YLScAOD0+AdCyIHjyELfx97YS2Pze4n7ljdUchghk9KTopMg/K1gsrBhI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=hadess.net; spf=pass smtp.mailfrom=hadess.net; arc=none smtp.client-ip=217.70.183.196 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=hadess.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=hadess.net Received: by mail.gandi.net (Postfix) with ESMTPSA id 83C8BE0010; Tue, 2 Jul 2024 08:49:03 +0000 (UTC) From: Bastien Nocera To: linux-bluetooth@vger.kernel.org Cc: Bastien Nocera Subject: [PATCH 9/9] sdp: Check memory allocation in sdp_copy_seq() Date: Tue, 2 Jul 2024 10:47:24 +0200 Message-ID: <20240702084900.773620-10-hadess@hadess.net> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240702084900.773620-1-hadess@hadess.net> References: <20240702084900.773620-1-hadess@hadess.net> Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-GND-Sasl: hadess@hadess.net Fix a potential null-dereference if sdp_data_alloc_with_length() fails, as is done in other similar functions. --- lib/sdp.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/lib/sdp.c b/lib/sdp.c index b87951b007a3..b64245f668d3 100644 --- a/lib/sdp.c +++ b/lib/sdp.c @@ -1538,6 +1538,11 @@ static sdp_data_t *sdp_copy_seq(sdp_data_t *data) value = sdp_data_value(tmp, &len); datatmp = sdp_data_alloc_with_length(tmp->dtd, value, len); + if (!datatmp) { + sdp_data_free(seq); + return NULL; + } + if (cur) cur->next = datatmp; else