Commit 1592a994 authored by Jason Wang's avatar Jason Wang
Browse files

net: ignore packet size greater than INT_MAX

There should not be a reason for passing a packet size greater than
INT_MAX. It's usually a hint of bug somewhere, so ignore packet size
greater than INT_MAX in qemu_deliver_packet_iov()

Reported-by: default avatarDaniel Shapira <>
Reviewed-by: default avatarMichael S. Tsirkin <>
Signed-off-by: default avatarJason Wang <>
parent b1d80d12
......@@ -712,10 +712,15 @@ ssize_t qemu_deliver_packet_iov(NetClientState *sender,
void *opaque)
NetClientState *nc = opaque;
size_t size = iov_size(iov, iovcnt);
int ret;
if (size > INT_MAX) {
return size;
if (nc->link_down) {
return iov_size(iov, iovcnt);
return size;
if (nc->receive_disabled) {
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