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bh=jZoEtknywEr55vZIll6RtNUrJPiXr8V7DhCpfJfCvRk=; b=Zk3cEY9Dx5vXwI90fNholsweaSqlWHqDCeJw+Cv0li24Hdg1y+lITp+jpOg4K/JHqc5Ffs YP3u+MGNzkNcqk3C+F9EFPjptKZ8wxTHT30bOO5Qe1RLIKzkf8ww4HQP0ExAFh000qysuZ uHfty5AZZ8RldquPfeNmX2mMxpr4VV8= X-MC-Unique: 9EG5wXiLMMCnfjhkjGIVmw-1 From: Thomas Huth To: qemu-devel@nongnu.org, Peter Maydell Subject: [PULL 02/13] libqtest: check for g_setenv() failure Date: Thu, 2 Sep 2021 14:49:00 +0200 Message-Id: <20210902124911.822423-3-thuth@redhat.com> In-Reply-To: <20210902124911.822423-1-thuth@redhat.com> References: <20210902124911.822423-1-thuth@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=thuth@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.39, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1630587991404100001 From: Peter Maydell g_setenv() can fail; check for it when starting a QEMU process when we set the QEMU_AUDIO_DRV environment variable. Because this happens after fork() reporting an exact message via printf() is a bad idea; just exit(1), as we already do for the case of execlp() failure. Fixes: Coverity CID 1460117 Signed-off-by: Peter Maydell Reviewed-by: Philippe Mathieu-Daud=C3=A9 Message-Id: <20210820163750.9106-1-peter.maydell@linaro.org> Signed-off-by: Thomas Huth --- tests/qtest/libqtest.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tests/qtest/libqtest.c b/tests/qtest/libqtest.c index 825b13a44c..73f6b977a6 100644 --- a/tests/qtest/libqtest.c +++ b/tests/qtest/libqtest.c @@ -301,7 +301,9 @@ QTestState *qtest_init_without_qmp_handshake(const char= *extra_args) s->expected_status =3D 0; s->qemu_pid =3D fork(); if (s->qemu_pid =3D=3D 0) { - g_setenv("QEMU_AUDIO_DRV", "none", true); + if (!g_setenv("QEMU_AUDIO_DRV", "none", true)) { + exit(1); + } execlp("/bin/sh", "sh", "-c", command, NULL); exit(1); } --=20 2.27.0