From patchwork Fri May 10 09:57:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kunwu Chan X-Patchwork-Id: 796129 Received: from out-185.mta0.migadu.com (out-185.mta0.migadu.com [91.218.175.185]) (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 1567F8BE8 for ; Fri, 10 May 2024 09:58:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.185 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715335102; cv=none; b=B3P+chXhXMysD1wA9zy5Gtd+QYwqWkRjpbJBDk8CW4IkdyZhBEalr5GDULUZyOHPBWTHrndpcpk0k26MMmzhXYaEMA21OZxzxqbRAFBaDSxv6EQJGDtZetL0hsGrsfnDgV1hOaKybVso6tK23+8sNB6XWMz1hNs0pNhbdfs9iXE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715335102; c=relaxed/simple; bh=dc5X+/qSmxzC1WnaveQ9yTUgWMgYD6IWrs8np6LgqgE=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=s5ISsObHK+/a2rQ5NgMH5Wp451+LhJIkDFzuPRwyRE+Mdj+5gslgNjIie1YbH6p5UadpaHQLAbnIztVVk4ukSJHjZ09cQzd6ry2auvOQF/7W5BqRnFf9f3Ll7cIubZ45CwEnG41BqZQyOCTR6q/pvKMP4Wsh0bjSngXvA3krHsA= 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=Km3nXF/p; arc=none smtp.client-ip=91.218.175.185 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="Km3nXF/p" 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=1715335098; 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=ynoBbmu7uH9JiLyBHsFJi2Dy06OCsFnk/vBceNe8s+w=; b=Km3nXF/pgC8IMHmoffiLh6DSKVfMWUCuqK7iHRQ+Xj/El0URwTxSOjXITmULoRHkq2/1+Z NnvONNnHO9NNY/ZyNj2E66iFs9FXmq8+dQUacyAx3kZAnDdRgkNzPUp1IumpyG3ekdeshN 3kaEfEYN0RlAX/xEw29iOMjuHbxIzlM= From: kunwu.chan@linux.dev To: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev, eddyz87@gmail.com, song@kernel.org, yonghong.song@linux.dev, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@google.com, haoluo@google.com, jolsa@kernel.org, mykolal@fb.com, shuah@kernel.org, kunwu.chan@hotmail.com Cc: bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Kunwu Chan Subject: [PATCH bpf-next v2 0/4] Add some 'malloc' failure checks Date: Fri, 10 May 2024 17:57:59 +0800 Message-Id: <20240510095803.472840-1-kunwu.chan@linux.dev> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT From: Kunwu Chan The "malloc" call may not be successful.Add the malloc failure checking to avoid possible null dereference. Changes since v1 [1]: - As Daniel Borkmann suggested, change patch 4/4 only - Other 3 patches no changes. [1] https://lore.kernel.org/all/20240424020444.2375773-1-chentao@kylinos.cn/ Kunwu Chan (4): selftests/bpf: Add some null pointer checks selftests/bpf/sockopt: Add a null pointer check for the run_test selftests/bpf: Add a null pointer check for the load_btf_spec selftests/bpf: Add a null pointer check for the serial_test_tp_attach_query tools/testing/selftests/bpf/prog_tests/sockopt.c | 6 ++++++ tools/testing/selftests/bpf/prog_tests/tp_attach_query.c | 3 +++ tools/testing/selftests/bpf/test_progs.c | 7 +++++++ tools/testing/selftests/bpf/test_verifier.c | 2 ++ 4 files changed, 18 insertions(+) Reviewed-by: Muhammad Usama Anjum