28 lines
889 B
Diff
28 lines
889 B
Diff
|
From: Li Qiang <address@hidden>
|
||
|
|
|
||
|
|
In Vmxnet3 device emulator while processing transmit(tx) queue,
|
||
|
|
when it reaches end of packet, it calls vmxnet3_complete_packet.
|
||
|
|
In that local 'txcq_descr' object is not initialised, which could
|
||
|
|
leak host memory bytes a guest.
|
||
|
|
|
||
|
|
Reported-by: Li Qiang <address@hidden>
|
||
|
|
Signed-off-by: Prasad J Pandit <address@hidden>
|
||
|
|
---
|
||
|
|
hw/net/vmxnet3.c | 1 +
|
||
|
|
1 file changed, 1 insertion(+)
|
||
|
|
|
||
|
|
diff --git a/hw/net/vmxnet3.c b/hw/net/vmxnet3.c
|
||
|
|
index 90f6943..92f6af9 100644
|
||
|
|
--- a/hw/net/vmxnet3.c
|
||
|
|
+++ b/hw/net/vmxnet3.c
|
||
|
|
@@ -531,6 +531,7 @@ static void vmxnet3_complete_packet(VMXNET3State *s, int qidx, uint32_t tx_ridx)
|
||
|
|
|
||
|
|
VMXNET3_RING_DUMP(VMW_RIPRN, "TXC", qidx, &s->txq_descr[qidx].comp_ring);
|
||
|
|
|
||
|
|
+ memset(&txcq_descr, 0, sizeof(txcq_descr));
|
||
|
|
txcq_descr.txdIdx = tx_ridx;
|
||
|
|
txcq_descr.gen = vmxnet3_ring_curr_gen(&s->txq_descr[qidx].comp_ring);
|
||
|
|
|
||
|
|
--
|
||
|
|
2.5.5
|