[libvirt] [PATCH v2 3/4] remote: Add a check for zero sized client-side buffers
Adjustment to the dispatch code which is not generated by
gendispatch.pl.
Signed-off-by: Erik Skultety <eskultet(a)redhat.com>
---
src/remote/remote_daemon_dispatch.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/remote/remote_daemon_dispatch.c b/src/remote/remote_daemon_dispatch.c
index f369ffb02a..1d75ec3d37 100644
--- a/src/remote/remote_daemon_dispatch.c
+++ b/src/remote/remote_daemon_dispatch.c
@@ -2753,6 +2753,12 @@ remoteDispatchDomainGetVcpuPinInfo(virNetServerPtr server
G_GNUC_UNUSED,
goto cleanup;
}
+ if (args->ncpumaps == 0) {
+ ret->cpumaps.cpumaps_len = 0;
+ rv = 0;
+ goto cleanup;
+ }
+
if (INT_MULTIPLY_OVERFLOW(args->ncpumaps, args->maplen) ||
args->ncpumaps * args->maplen > REMOTE_CPUMAPS_MAX) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("maxinfo * maplen
> REMOTE_CPUMAPS_MAX"));
--
2.23.0