From patchwork Wed Jan 25 21:37:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ilya Leoshkevich X-Patchwork-Id: 13116263 X-Patchwork-Delegate: bpf@iogearbox.net Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D052EC54EED for ; Wed, 25 Jan 2023 21:39:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236681AbjAYVjY (ORCPT ); Wed, 25 Jan 2023 16:39:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36714 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236535AbjAYVjV (ORCPT ); Wed, 25 Jan 2023 16:39:21 -0500 Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 32B264F35E for ; Wed, 25 Jan 2023 13:39:18 -0800 (PST) Received: from pps.filterd (m0098416.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 30PKLiK4023830; Wed, 25 Jan 2023 21:39:05 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=PNKGJu1r3XrVJ+lg23+LQPr5Lmdq6j5MNuuhQUc8nQk=; b=KcvJgURtxNKaQNtQ7aSDJera7+jfvuotZP5cpfCA2RrMDGMfmt5D3DNOk3B0BXO6sSxL W5egkHAPw1OSogNCPdLsKrk6G0plnOHcIAcQOClWzSodbYKjt2a2zCNxuTQKj2IjMCFf 0ygVFz/SryN5QkYaCZ15BMwUKbcq0Ay8qA7E3VwSMLcYEnaEIWsO0QEUBuZfTqzJhxOR 1eiJ8JHj1nJEVSnqMrcJLifVequLGCGbVaQDmTrUh42fszMWhPgAuTGJpvZsjHhgNmh6 1+dgUv5fYxOsRT1DWBC9GWylczjjH9PzzhDBW8OvqeLYBXkt6ERoIKRCbOXz1ep+0Pec Gw== Received: from ppma02fra.de.ibm.com (47.49.7a9f.ip4.static.sl-reverse.com [159.122.73.71]) by mx0b-001b2d01.pphosted.com (PPS) with ESMTPS id 3nb7pp857f-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 25 Jan 2023 21:39:05 +0000 Received: from pps.filterd (ppma02fra.de.ibm.com [127.0.0.1]) by ppma02fra.de.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 30PAZWKX013701; Wed, 25 Jan 2023 21:39:03 GMT Received: from smtprelay04.fra02v.mail.ibm.com ([9.218.2.228]) by ppma02fra.de.ibm.com (PPS) with ESMTPS id 3n87p6c2hv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 25 Jan 2023 21:39:03 +0000 Received: from smtpav07.fra02v.mail.ibm.com (smtpav07.fra02v.mail.ibm.com [10.20.54.106]) by smtprelay04.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 30PLcxtD25297452 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 25 Jan 2023 21:38:59 GMT Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9890F2004B; Wed, 25 Jan 2023 21:38:59 +0000 (GMT) Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5C0E920040; Wed, 25 Jan 2023 21:38:59 +0000 (GMT) Received: from heavy.boeblingen.de.ibm.com (unknown [9.155.209.149]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTP; Wed, 25 Jan 2023 21:38:59 +0000 (GMT) From: Ilya Leoshkevich To: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko Cc: bpf@vger.kernel.org, Heiko Carstens , Vasily Gorbik , Ilya Leoshkevich Subject: [PATCH bpf-next 06/24] selftests/bpf: Set errno when urand_spawn() fails Date: Wed, 25 Jan 2023 22:37:59 +0100 Message-Id: <20230125213817.1424447-7-iii@linux.ibm.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230125213817.1424447-1-iii@linux.ibm.com> References: <20230125213817.1424447-1-iii@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: gipTot4zX9uXoLYyLCly-NT2bLmZZQMh X-Proofpoint-GUID: gipTot4zX9uXoLYyLCly-NT2bLmZZQMh X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.930,Hydra:6.0.562,FMLib:17.11.122.1 definitions=2023-01-25_13,2023-01-25_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 phishscore=0 adultscore=0 malwarescore=0 mlxlogscore=958 suspectscore=0 mlxscore=0 priorityscore=1501 lowpriorityscore=0 bulkscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2301250193 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org X-Patchwork-Delegate: bpf@iogearbox.net The result of urand_spawn() is checked with ASSERT_OK_PTR, which treats NULL as success if errno == 0. Signed-off-by: Ilya Leoshkevich --- tools/testing/selftests/bpf/prog_tests/usdt.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/bpf/prog_tests/usdt.c b/tools/testing/selftests/bpf/prog_tests/usdt.c index 9ad9da0f215e..56ed1eb9b527 100644 --- a/tools/testing/selftests/bpf/prog_tests/usdt.c +++ b/tools/testing/selftests/bpf/prog_tests/usdt.c @@ -314,6 +314,7 @@ static FILE *urand_spawn(int *pid) if (fscanf(f, "%d", pid) != 1) { pclose(f); + errno = EINVAL; return NULL; }