[Bug 204046] ntpq aborts with trap 6

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=204046

            Bug ID: 204046
           Summary: ntpq aborts with trap 6
           Product: Base System
           Version: 9.3-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Many People
          Priority: ---
         Component: bin
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: bengta at sics.se

After the security update to 9.3-RELEASE-p29 with new ntp, the ntpq program
does not work:

# ntpq -p
/usr/src/usr.sbin/ntp/libntp/../../../contrib/ntp/lib/isc/unix/net.c:221: fatal
error: RUNTIME_CHECK(((pthread_once((&once), (initialize_action)) == 0) ? 0 :
34) == 0) failed
Abort trap: 6 (core dumped)

This is on a source-updated system.

Some more info:

# ldd /usr/bin/ntpq 
/usr/bin/ntpq:
        libedit.so.7 => /lib/libedit.so.7 (0x800856000)
        libm.so.5 => /lib/libm.so.5 (0x800a7e000)
        libcrypto.so.6 => /lib/libcrypto.so.6 (0x800c9f000)
        libc.so.7 => /lib/libc.so.7 (0x801047000)
        libncurses.so.8 => /lib/libncurses.so.8 (0x8013a2000)

This however works:

# LD_PRELOAD=/lib/libthr.so.3 ntpq -p
     remote           refid      st t when poll reach   delay   offset  jitter
==============================================================================
+h153n1-th-c-d3. 193.11.166.2     2 u   41   64  377   10.090   -7.601   0.110
+94.246.113.188  192.36.144.23    2 u   41   64  377    6.211   -6.278   0.161
*time4.stupi.se  .PPS.            1 u   30   64  377    0.971   -7.200   0.105

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