qpiter check failed on FreeBSD

Job #3728199 failed for 85ee12f6:

[==========] Running 6 test(s).
[ RUN      ] qpkey_name
[       OK ] qpkey_name
[ RUN      ] qpkey_sort
[       OK ] qpkey_sort
[ RUN      ] qpiter
I:qp_test:Core dump found: ./core.15207
D:qp_test:backtrace from ./core.15207 start
[New LWP 100101]

warning: Could not load shared library symbols for [vdso].
Do you need "set solib-search-path" or "set sysroot"?
Core was generated by `/builds/isc-projects/bind9/tests/dns/.libs/qp_test'.
Program terminated with signal SIGABRT, Aborted.
Sent by thr_kill() from pid 15207 and user 0.
#0  0x0000000832a9ac5a in thr_kill () from /lib/libc.so.7

Thread 1 (LWP 100101):
#0  0x0000000832a9ac5a in thr_kill () from /lib/libc.so.7
No symbol table info available.
#1  0x0000000832a136d4 in raise () from /lib/libc.so.7
No symbol table info available.
#2  0x0000000832ac4a59 in abort () from /lib/libc.so.7
No symbol table info available.
#3  0x0000000000208e99 in run_test_qpiter (state=<optimized out>) at qp_test.c:280
        key = "\003\n\005\002\b\000\000\000G\360\2472\b\000\000\000\200l\3249\b", '\000' <repeats 11 times>, "H\370\2632\b\000\000\000\024\000\000\000\000\000\000\000\2604, \b\000\000\000^q\2472\b\000\000\000\000\000\3159\354\177\000\000H\370\2632\b\000\000\000\2604, \b\000\000\000\2204\f0\b\000\000\000@\330\2632\b", '\000' <repeats 11 times>, " 5, \b\000\000\000Rp\2472\b", '\000' <repeats 19 times>, "\320\361\2472\b", '\000' <repeats 27 times>, "\020\000\000\0000\000\000\00005, \b\000\000\000@4, \b\000\000\000"...
        len = <optimized out>
        prev = <optimized out>
        tests = 4
        item = {0 <repeats 18 times>, 18, 0 <repeats 81 times>}
        order = {18, 72, 0 <repeats 98 times>}
        qpi = {magic = 1903192436, qp = 0x839ce1050, sp = 0, stack = {0x839d63000, 0x0 <repeats 511 times>}}
        qp = <optimized out>
        pval = 0x8202c3688
        ival = 18
        n = <optimized out>
        inserted = <optimized out>
#4  0x000000082eda9dfb in ?? () from /usr/local/lib/libcmocka.so.0
No symbol table info available.
#5  0x000000082eda7bf5 in _cmocka_run_group_tests () from /usr/local/lib/libcmocka.so.0
No symbol table info available.
#6  0x00000000002098cc in main () at qp_test.c:674
        r = <optimized out>
D:qp_test:backtrace from ./core.15207 end
FAIL qp_test (exit status: 134)