Hi,
seems be bug on eglibc side, the sendto() does not work for sa equal NULL,
the sigsegv can be avoided by workaround bellow.
Axel, please could you test, whether workarounded openntpd
is otherwise functional ?
Cheers
Petr
--- ntp_msg.c
+++ ntp_msg.c
@@ -90,7 +90,8 @@
salen = SA_LEN(sa);
else
salen = 0;
-
+ if (sa)
+ {
if (sendto(fd, &buf, len, 0, sa, salen) != len) {
if (errno == ENOBUFS || errno == EHOSTUNREACH ||
errno == ENETDOWN || errno == EHOSTDOWN) {
@@ -102,6 +103,22 @@
return (-2);
return (-1);
}
+ }
+ else
+ {
+ if (send(fd, &buf, len, 0) != len) {
+ if (errno == ENOBUFS || errno == EHOSTUNREACH ||
+ errno == ENETDOWN || errno == EHOSTDOWN) {
+ /* logging is futile */
+ return (-1);
+ }
+ log_warn("sendto");
+ if (errno == EINVAL)
+ return (-2);
+ return (-1);
+ }
+
+ }
return (0);
}
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