From patchwork Sun Sep 17 21:42:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinghao Jia X-Patchwork-Id: 13388687 X-Patchwork-Delegate: bpf@iogearbox.net Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 01235EAFB for ; Sun, 17 Sep 2023 21:43:05 +0000 (UTC) Received: from mx0b-00007101.pphosted.com (mx0b-00007101.pphosted.com [148.163.139.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A34BAA8 for ; Sun, 17 Sep 2023 14:43:04 -0700 (PDT) Received: from pps.filterd (m0166258.ppops.net [127.0.0.1]) by mx0b-00007101.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 38HAeZZA011217; Sun, 17 Sep 2023 21:42:43 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=illinois.edu; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=campusrelays; bh=qOmkD/3E0lYHuxf5m0DEPc2l2u/is83e69G9PscbsFo=; b=FFSdgRY/8NTdlnprCY535GIMavBJccEQtmxbo5E3E01D8Ed0so0cvWIt/T5F5OBkHb9s pUi/pwYI9wa4ZrhD62fepv4G1S7k60332JeMs2xe0wI4n8cDsIu26/dvW8++luwlw5Vk Lm6lKQKD4x1nL1LTzx6w0kgxWjWYgl7yHuRDG+m/Fa1gwblcctWKJtEG3vQJ7eKut484 RwjS7c7n3U9gFSeYe+B3j056gt6+YDNTuBKXKUMB9iHWe61eGiXzZ1mE/3HgkeyaeqPj CgGJja6A9xVddXJg6WC4+a1/tzx9HL0JTOG6EL3HZ5zD33L/DdhsxXcFRpTkhgQkIaDw Og== Received: from pps.reinject (localhost [127.0.0.1]) by mx0b-00007101.pphosted.com (PPS) with ESMTPS id 3t52qqrd2e-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sun, 17 Sep 2023 21:42:42 +0000 Received: from m0166258.ppops.net (m0166258.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 38HLgcsu002067; Sun, 17 Sep 2023 21:42:42 GMT Received: from localhost.localdomain (oasis.cs.illinois.edu [130.126.137.13]) by mx0b-00007101.pphosted.com (PPS) with ESMTP id 3t52qqrd22-2; Sun, 17 Sep 2023 21:42:42 +0000 From: Jinghao Jia To: bpf@vger.kernel.org Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, jinghao@linux.ibm.com, Mimi Zohar , Ruowen Qin , Jinghao Jia Subject: [PATCH bpf v2 1/3] samples/bpf: Add -fsanitize=bounds to userspace programs Date: Sun, 17 Sep 2023 16:42:18 -0500 Message-ID: <20230917214220.637721-2-jinghao7@illinois.edu> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230917214220.637721-1-jinghao7@illinois.edu> References: <20230917214220.637721-1-jinghao7@illinois.edu> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: eObNq71F796rNYy9NGPdLwvmCfJVky_5 X-Proofpoint-GUID: Ywoic6CA8cpkYmSd3ohH8d_Td4FCZOqg X-Spam-Details: rule=cautious_plus_nq_notspam policy=cautious_plus_nq score=0 spamscore=0 bulkscore=0 adultscore=0 clxscore=1011 impostorscore=0 phishscore=0 mlxlogscore=835 malwarescore=0 lowpriorityscore=0 priorityscore=1501 mlxscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309170201 X-Spam-Score: 0 X-Spam-OrigSender: jinghao7@illinois.edu X-Spam-Bar: X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net X-Patchwork-Delegate: bpf@iogearbox.net From: Jinghao Jia The sanitizer flag, which is supported by both clang and gcc, would make it easier to debug array index out-of-bounds problems in these programs. Suggested-by: Mimi Zohar Signed-off-by: Jinghao Jia Signed-off-by: Ruowen Qin Signed-off-by: Jinghao Jia --- samples/bpf/Makefile | 1 + 1 file changed, 1 insertion(+) diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile index 4ccf4236031c..21d2edffce3c 100644 --- a/samples/bpf/Makefile +++ b/samples/bpf/Makefile @@ -169,6 +169,7 @@ endif TPROGS_CFLAGS += -Wall -O2 TPROGS_CFLAGS += -Wmissing-prototypes TPROGS_CFLAGS += -Wstrict-prototypes +TPROGS_CFLAGS += -fsanitize=bounds TPROGS_CFLAGS += -I$(objtree)/usr/include TPROGS_CFLAGS += -I$(srctree)/tools/testing/selftests/bpf/