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-rw-r--r--hw/net/pcnet.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/hw/net/pcnet.c b/hw/net/pcnet.c
index 309c40bc3..1f4a3dbe4 100644
--- a/hw/net/pcnet.c
+++ b/hw/net/pcnet.c
@@ -1064,6 +1064,12 @@ ssize_t pcnet_receive(NetClientState *nc, const uint8_t *buf, size_t size_)
int pktcount = 0;
if (!s->looptest) {
+ if (size > 4092) {
+#ifdef PCNET_DEBUG_RMD
+ fprintf(stderr, "pcnet: truncates rx packet.\n");
+#endif
+ size = 4092;
+ }
memcpy(src, buf, size);
/* no need to compute the CRC */
src[size] = 0;