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Tue, 30 Jun 2020 10:28:22 +0000 (UTC) Date: Tue, 30 Jun 2020 11:28:20 +0100 From: "Dr. David Alan Gilbert" To: Max Reitz , berrange@redhat.com Subject: Re: [PATCH 1/4] migration: Prevent memleak by ...params_test_apply Message-ID: <20200630102820.GC2673@work-vm> References: <20200630084552.46362-1-mreitz@redhat.com> <20200630084552.46362-2-mreitz@redhat.com> MIME-Version: 1.0 In-Reply-To: <20200630084552.46362-2-mreitz@redhat.com> User-Agent: Mutt/1.14.3 (2020-06-14) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dgilbert@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Received-SPF: pass client-ip=205.139.110.61; envelope-from=dgilbert@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/30 01:11:03 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, 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=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN 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: , Cc: Kevin Wolf , Peter Krempa , qemu-block@nongnu.org, Juan Quintela , qemu-devel@nongnu.org, Vladimir Sementsov-Ogievskiy Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" * Max Reitz (mreitz@redhat.com) wrote: > The created structure is not really a proper QAPI object, so we cannot > and will not free its members. Strings therein should therefore not be > duplicated, or we will leak them. > > Signed-off-by: Max Reitz > --- > migration/migration.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/migration/migration.c b/migration/migration.c > index 481a590f72..47c7da4e55 100644 > --- a/migration/migration.c > +++ b/migration/migration.c > @@ -1336,12 +1336,12 @@ static void migrate_params_test_apply(MigrateSetParameters *params, > > if (params->has_tls_creds) { > assert(params->tls_creds->type == QTYPE_QSTRING); > - dest->tls_creds = g_strdup(params->tls_creds->u.s); > + dest->tls_creds = params->tls_creds->u.s; > } > > if (params->has_tls_hostname) { > assert(params->tls_hostname->type == QTYPE_QSTRING); > - dest->tls_hostname = g_strdup(params->tls_hostname->u.s); > + dest->tls_hostname = params->tls_hostname->u.s; > } Yeh I think I agree. Reviewed-by: Dr. David Alan Gilbert > > if (params->has_max_bandwidth) { > -- > 2.26.2 > -- Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK