Commit 492fb99c authored by Michael S. Tsirkin's avatar Michael S. Tsirkin

migration: don't segfault on invalid input

host_from_stream_offset returns NULL on error,
return error instead of trying to use that address,
to avoid segfault on invalid stream.
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent c57c846a
......@@ -390,6 +390,9 @@ int ram_load(QEMUFile *f, void *opaque, int version_id)
host = qemu_get_ram_ptr(addr);
else
host = host_from_stream_offset(f, addr, flags);
if (!host) {
return -EINVAL;
}
ch = qemu_get_byte(f);
memset(host, ch, TARGET_PAGE_SIZE);
......
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