read_from_vdi_port calls dispatch_vdi_port data, which will disconnect
the guest agent if it sends invalid data. It would then try to read more
data from the disconnected guest agent resulting in a NULL ptr dereference,
this patch fixes this.
---
server/reds.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/server/reds.c b/server/reds.c
index b286809..088683b 100644
--- a/server/reds.c
+++ b/server/reds.c
@@ -1292,7 +1292,7 @@ static int read_from_vdi_port(void)
}
sif = SPICE_CONTAINEROF(vdagent->base.sif, SpiceCharDeviceInterface, base);
- while (!quit_loop) {
+ while (!quit_loop && vdagent) {
switch (state->read_state) {
case VDI_PORT_READ_STATE_READ_HADER:
n = sif->read(vdagent, state->recive_pos, state->recive_len);
--
1.7.4.2
_______________________________________________
Spice-devel mailing list
Spice-devel@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/spice-devel
