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-rw-r--r--src/timesync/timesyncd-manager.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/timesync/timesyncd-manager.c b/src/timesync/timesyncd-manager.c
index 117ea8c98d..bc35662481 100644
--- a/src/timesync/timesyncd-manager.c
+++ b/src/timesync/timesyncd-manager.c
@@ -525,7 +525,8 @@ static int manager_receive_response(sd_event_source *source, int fd, uint32_t re
return manager_connect(m);
}
- if (iov.iov_len < sizeof(struct ntp_msg)) {
+ /* Too short or too long packet? */
+ if (iov.iov_len < sizeof(struct ntp_msg) || (msghdr.msg_flags & MSG_TRUNC)) {
log_warning("Invalid response from server. Disconnecting.");
return manager_connect(m);
}