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bh=AOdFReUIemS5m4H/yoW/pvPIxTA1UiLo9iU1PEMmxSM=; b=NZRljWWFBh++CQ9gGITobhQhxmmGfAhZqgaxLum7OEdri040QN05+Jrgnz34R/aWvMjtj1 JzJ79u+UwMhdOrbDNaj1hr4QIPSgDc1NcWhEn2GdmdZ8BQHo6lMezMH6xantJzibU0UJgv ItR1KBTuXpdDxvRC6AUSdRAtp2egZ7M= X-MC-Unique: NLkjvHzKMqqIU-xogIdbtg-1 From: Kevin Wolf To: qemu-block@nongnu.org Subject: [PULL 13/13] softmmu/qdev-monitor: fix use-after-free in qdev_set_id() Date: Mon, 15 Nov 2021 15:54:09 +0100 Message-Id: <20211115145409.176785-14-kwolf@redhat.com> In-Reply-To: <20211115145409.176785-1-kwolf@redhat.com> References: <20211115145409.176785-1-kwolf@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kwolf@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=kwolf@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.7, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, peter.maydell@linaro.org, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1636989055192100001 From: Stefan Hajnoczi Reported by Coverity (CID 1465222). Fixes: 4a1d937796de0fecd8b22d7dbebf87f38e8282fd ("softmmu/qdev-monitor: add= error handling in qdev_set_id") Cc: Damien Hedde Cc: Kevin Wolf Cc: Michael S. Tsirkin Signed-off-by: Stefan Hajnoczi Message-Id: <20211102163342.31162-1-stefanha@redhat.com> Reviewed-by: Kevin Wolf Reviewed-by: Michael S. Tsirkin Reviewed-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Damien Hedde Reviewed-by: Markus Armbruster Signed-off-by: Kevin Wolf --- softmmu/qdev-monitor.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/softmmu/qdev-monitor.c b/softmmu/qdev-monitor.c index b5aaae4b8c..01ec420e61 100644 --- a/softmmu/qdev-monitor.c +++ b/softmmu/qdev-monitor.c @@ -593,8 +593,8 @@ const char *qdev_set_id(DeviceState *dev, char *id, Err= or **errp) if (prop) { dev->id =3D id; } else { - g_free(id); error_setg(errp, "Duplicate device ID '%s'", id); + g_free(id); return NULL; } } else { --=20 2.31.1