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bh=h+d/EjlEpu5yyJcRIckcsv2nrrrU/VNYzWeDlmKJFT0=; b=YFPLHLh8+7zQskLta6ls+/x+MKww/7EaUxC3QExrs2TcQjAE4GaR2O82AhxtRSW1IR9OXK u94QlmlSdD5chqq+Gha6GIdQrrAfCkn3ErrUBqh3EZzsTGAnYI0LNuWUnB75vh1nS9dTia zrKgAy5u0/6rMXed+/FbB2dq9wXoBEE= X-MC-Unique: 7MHTsFwUN7qapqyUYGRQhw-1 From: Juan Quintela To: qemu-devel@nongnu.org Cc: Juan Quintela , Leonardo Bras , Fabiano Rosas , Peter Xu , Zongmin Zhou , =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= Subject: [PULL 2/2] migration: free 'saddr' since be no longer used Date: Thu, 30 Nov 2023 11:41:03 +0100 Message-ID: <20231130104103.28672-3-quintela@redhat.com> In-Reply-To: <20231130104103.28672-1-quintela@redhat.com> References: <20231130104103.28672-1-quintela@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.4 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=quintela@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1701340932724000005 From: Zongmin Zhou Since socket_parse() will allocate memory for 'saddr',and its value will pass to 'addr' that allocated by migrate_uri_parse(), then 'saddr' will no longer used,need to free. But due to 'saddr->u' is shallow copying the contents of the union, the members of this union containing allocated strings,and will be used aft= er that. So just free 'saddr' itself without doing a deep free on the contents of th= e SocketAddress. Fixes: 72a8192e225c ("migration: convert migration 'uri' into 'MigrateAddre= ss'") Signed-off-by: Zongmin Zhou Reviewed-by: Juan Quintela Reviewed-by: Daniel P. Berrang=C3=A9 Reviewed-by: Peter Xu Signed-off-by: Juan Quintela Message-ID: <20231120031428.908295-1-zhouzongmin@kylinos.cn> --- migration/migration.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/migration/migration.c b/migration/migration.c index 28a34c9068..1832dad618 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -462,7 +462,6 @@ bool migrate_uri_parse(const char *uri, MigrationChanne= l **channel, { g_autoptr(MigrationChannel) val =3D g_new0(MigrationChannel, 1); g_autoptr(MigrationAddress) addr =3D g_new0(MigrationAddress, 1); - SocketAddress *saddr =3D NULL; InetSocketAddress *isock =3D &addr->u.rdma; strList **tail =3D &addr->u.exec.args; =20 @@ -487,12 +486,14 @@ bool migrate_uri_parse(const char *uri, MigrationChan= nel **channel, strstart(uri, "vsock:", NULL) || strstart(uri, "fd:", NULL)) { addr->transport =3D MIGRATION_ADDRESS_TYPE_SOCKET; - saddr =3D socket_parse(uri, errp); + SocketAddress *saddr =3D socket_parse(uri, errp); if (!saddr) { return false; } addr->u.socket.type =3D saddr->type; addr->u.socket.u =3D saddr->u; + /* Don't free the objects inside; their ownership moved to "addr" = */ + g_free(saddr); } else if (strstart(uri, "file:", NULL)) { addr->transport =3D MIGRATION_ADDRESS_TYPE_FILE; addr->u.file.filename =3D g_strdup(uri + strlen("file:")); --=20 2.43.0