diff options
| -rw-r--r-- | hw/net/cadence_gem.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/net/cadence_gem.c b/hw/net/cadence_gem.c index f9e409192b..e513d9d5ba 100644 --- a/hw/net/cadence_gem.c +++ b/hw/net/cadence_gem.c @@ -678,6 +678,10 @@ static ssize_t gem_receive(NetClientState *nc, const uint8_t *buf, size_t size) } else { unsigned crc_val; + if (size > sizeof(rxbuf) - sizeof(crc_val)) { + size = sizeof(rxbuf) - sizeof(crc_val); + } + bytes_to_copy = size; /* The application wants the FCS field, which QEMU does not provide. * We must try and calculate one. */ |