From patchwork Thu Apr 6 19:29:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matheus Tavares Bernardino X-Patchwork-Id: 13203944 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BD59DC7618D for ; Thu, 6 Apr 2023 19:30:58 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pkVJk-0008AZ-Oo; Thu, 06 Apr 2023 15:30:44 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pkVJi-00089g-Vn for qemu-devel@nongnu.org; Thu, 06 Apr 2023 15:30:42 -0400 Received: from mx0a-0031df01.pphosted.com ([205.220.168.131]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pkVJf-0002I3-Tt for qemu-devel@nongnu.org; Thu, 06 Apr 2023 15:30:42 -0400 Received: from pps.filterd (m0279865.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3368LIQU013218; Thu, 6 Apr 2023 19:30:35 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=qcppdkim1; bh=9l+W59dDDb8fNHeexhqSHDYcEIc2aqK9wXJVbckN0Os=; b=biasyct8fogSzWj5xfeFECEMoRW9w+7SzrQ214eSzdHVLkXDZMRbaRyKjhLEIf/MHPch NLtI3q3ynJNMqRuXnljXwKRhXX2RpHb42H1lxiX7EPlVXSGmh4c71t542DROr1IC5LGO OYhuj8wQFVTypsfBlXPsQDUJ83uFNBGqzfoY5OYQ8cdwDbUkP6wK46KORWaoYdJju6Pa smDlBZ8q96pAPtMQE+fHErd8dHU7Q5NJQZtRaiBtAdIm+ibCH7txIzELeo6XVljkXmZY foIsKlFCn1zYbOUzDHUXDscqoI9e3qRfAM0r3yJVvCVM0jRIyDrdgqvTsrsJzkjqiUkQ 9g== Received: from nalasppmta02.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3psr261tw5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 06 Apr 2023 19:30:34 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 336JUYFM007212 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 6 Apr 2023 19:30:34 GMT Received: from NASANPPMTA02.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.42; Thu, 6 Apr 2023 12:30:32 -0700 From: Matheus Tavares Bernardino To: CC: , , , , Subject: [PATCH 2/7] gdbstub: add test for untimely stop-reply packets Date: Thu, 6 Apr 2023 16:29:44 -0300 Message-ID: <873070efd7d1e7b13fcee9c4fed5f1e813cf5a43.1680808943.git.quic_mathbern@quicinc.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: References: MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: lG-KKtXIkxCS3SepG3JmMymWPoa-8J4X X-Proofpoint-ORIG-GUID: lG-KKtXIkxCS3SepG3JmMymWPoa-8J4X X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-04-06_11,2023-04-06_03,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 impostorscore=0 mlxscore=0 priorityscore=1501 mlxlogscore=999 malwarescore=0 bulkscore=0 phishscore=0 lowpriorityscore=0 clxscore=1015 spamscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2304060172 Received-SPF: pass client-ip=205.220.168.131; envelope-from=quic_mathbern@quicinc.com; helo=mx0a-0031df01.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org In the previous commit, we modified gdbstub.c to only send stop-reply packets as a response to GDB commands that accept it. Now, let's add a test for this intended behavior. Running this test before the fix from the previous commit fails as QEMU sends a stop-reply packet asynchronously, when GDB was in fact waiting an ACK. Signed-off-by: Matheus Tavares Bernardino --- tests/guest-debug/run-test.py | 16 ++++++++++++---- .../tcg/multiarch/system/Makefile.softmmu-target | 16 +++++++++++++++- 2 files changed, 27 insertions(+), 5 deletions(-) diff --git a/tests/guest-debug/run-test.py b/tests/guest-debug/run-test.py index d865e46ecd..de6106a5e5 100755 --- a/tests/guest-debug/run-test.py +++ b/tests/guest-debug/run-test.py @@ -26,11 +26,12 @@ def get_args(): parser.add_argument("--qargs", help="Qemu arguments for test") parser.add_argument("--binary", help="Binary to debug", required=True) - parser.add_argument("--test", help="GDB test script", - required=True) + parser.add_argument("--test", help="GDB test script") parser.add_argument("--gdb", help="The gdb binary to use", default=None) + parser.add_argument("--gdb-args", help="Additional gdb arguments") parser.add_argument("--output", help="A file to redirect output to") + parser.add_argument("--stderr", help="A file to redirect stderr to") return parser.parse_args() @@ -58,6 +59,10 @@ def log(output, msg): output = open(args.output, "w") else: output = None + if args.stderr: + stderr = open(args.stderr, "w") + else: + stderr = None socket_dir = TemporaryDirectory("qemu-gdbstub") socket_name = os.path.join(socket_dir.name, "gdbstub.socket") @@ -77,6 +82,8 @@ def log(output, msg): # Now launch gdb with our test and collect the result gdb_cmd = "%s %s" % (args.gdb, args.binary) + if args.gdb_args: + gdb_cmd += " %s" % (args.gdb_args) # run quietly and ignore .gdbinit gdb_cmd += " -q -n -batch" # disable prompts in case of crash @@ -84,13 +91,14 @@ def log(output, msg): # connect to remote gdb_cmd += " -ex 'target remote %s'" % (socket_name) # finally the test script itself - gdb_cmd += " -x %s" % (args.test) + if args.test: + gdb_cmd += " -x %s" % (args.test) sleep(1) log(output, "GDB CMD: %s" % (gdb_cmd)) - result = subprocess.call(gdb_cmd, shell=True, stdout=output) + result = subprocess.call(gdb_cmd, shell=True, stdout=output, stderr=stderr) # A result of greater than 128 indicates a fatal signal (likely a # crash due to gdb internal failure). That's a problem for GDB and diff --git a/tests/tcg/multiarch/system/Makefile.softmmu-target b/tests/tcg/multiarch/system/Makefile.softmmu-target index 5f432c95f3..fe40195d39 100644 --- a/tests/tcg/multiarch/system/Makefile.softmmu-target +++ b/tests/tcg/multiarch/system/Makefile.softmmu-target @@ -27,6 +27,20 @@ run-gdbstub-memory: memory "-monitor none -display none -chardev file$(COMMA)path=$<.out$(COMMA)id=output $(QEMU_OPTS)" \ --bin $< --test $(MULTIARCH_SRC)/gdbstub/memory.py, \ softmmu gdbstub support) + +run-gdbstub-untimely-packet: hello + $(call run-test, $@, $(GDB_SCRIPT) \ + --gdb $(HAVE_GDB_BIN) \ + --gdb-args "-ex 'set debug remote 1'" \ + --output untimely-packet.gdb.out \ + --stderr untimely-packet.gdb.err \ + --qemu $(QEMU) \ + --bin $< --qargs \ + "-monitor none -display none -chardev file$(COMMA)path=untimely-packet.out$(COMMA)id=output $(QEMU_OPTS)", \ + "softmmu gdbstub untimely packets") + $(call quiet-command, \ + (! grep -Fq 'Packet instead of Ack, ignoring it' untimely-packet.gdb.err), \ + "GREP", "file untimely-packet.gdb.err") else run-gdbstub-%: $(call skip-test, "gdbstub test $*", "no guest arch support") @@ -36,4 +50,4 @@ run-gdbstub-%: $(call skip-test, "gdbstub test $*", "need working gdb") endif -MULTIARCH_RUNS += run-gdbstub-memory +MULTIARCH_RUNS += run-gdbstub-memory run-gdbstub-untimely-packet