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util/vhost-user-server: check EOF when reading payload

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Unexpected EOF is an error that must be reported.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20200924151549.913737-9-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2020-09-24 16:15:44 +01:00
parent 8c7f7cbca0
commit edaf6205a3
1 changed files with 4 additions and 2 deletions
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6
util/vhost-user-server.c
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@ -169,8 +169,10 @@ vu_message_read(VuDev *vu_dev, int conn_fd, VhostUserMsg *vmsg)
};
if (vmsg->size) {
rc = qio_channel_readv_all_eof(ioc, &iov_payload, 1, &local_err);
if (rc == -1) {
error_report_err(local_err);
if (rc != 1) {
if (local_err) {
error_report_err(local_err);
}
goto fail;
}
}