I have locally-built net/samba413 port on 12-STABLE (r367937) which crashes in
library initialization code due to wrong library initialization order:
(No debugging symbols found in /usr/local/bin/testparm)
(gdb) b _libpthread_init
Function "_libpthread_init" not defined.
Make breakpoint pending on future shared library load? (y or [n]) y
Breakpoint 1 (_libpthread_init) pending.
(gdb) run
Starting program: /usr/local/bin/testparm
Program received signal SIGSEGV, Segmentation fault.
thr_malloc_lock (curthread=0x801e077d0) at
/usr/src/lib/libthr/thread/thr_malloc.c:66
66 curthread->locklevel++;
(gdb) bt
#0 thr_malloc_lock (curthread=0x801e077d0) at
/usr/src/lib/libthr/thread/thr_malloc.c:66
#1 __thr_calloc (num=1, size=96) at /usr/src/lib/libthr/thread/thr_malloc.c:88
#2 0x0000000801474843 in mutex_init (mutex=0x801072008, mutex_attr=<optimized out>,
calloc_cb=<optimized out>) at /usr/src/lib/libthr/thread/thr_mutex.c:295
#3 __Tthr_mutex_init (mutex=0x801072008, mutex_attr=<optimized out>) at
/usr/src/lib/libthr/thread/thr_mutex.c:395
#4 0x00000008016d62fc in ?? () from /usr/local/lib/libgnutls.so.30
#5 0x00000008016cfcb3 in ?? () from /usr/local/lib/libgnutls.so.30
#6 0x00000008016d0077 in ?? () from /usr/local/lib/libgnutls.so.30
#7 0x000000080103730d in objlist_call_init (list=<optimized out>,
lockstate=<optimized out>) at /usr/src/libexec/rtld-elf/rtld.c:2823
#8 0x000000080103603d in _rtld (sp=0x7fffffffeb58, exit_proc=0x7fffffffeb20,
objp=0x7fffffffeb28) at /usr/src/libexec/rtld-elf/rtld.c:811
#9 0x00000008010338c9 in rtld_start () at
/usr/src/libexec/rtld-elf/amd64/rtld_start.S:39
#10 0x0000000000000000 in ?? ()
(gdb)
Please note, that `_libpthread_init` HAS BEEN NOT CALLED before
`_Tthr_mutex_init`.
Looks like some corner-case problem in rtld?
Link command for this program is:
[3517/3660] Linking bin/default/source3/utils/testparm
runner ['cc', 'source3/utils/testparm.c.41.o',
'-o/wrkdirs/usr/ports/net/samba413/work/samba-4.13.1/bin/default/source3/utils/testparm',
'-Wl,-Bstatic', '-Wl,-Bdynamic',
'-L/wrkdirs/usr/ports/net/samba413/work/samba-4.13.1/bin/default/source4/heimdal_build',
'-L/wrkdirs/usr/ports/net/samba413/work/samba-4.13.1/bin/default/source4/lib/events',
'-L/wrkdirs/usr/ports/net/samba413/work/samba-4.13.1/bin/default/lib/tdb_wrap',
'-L/wrkdirs/usr/ports/net/samba413/work/samba-4.13.1/bin/default/libcli/security',
'-L/wrkdirs/usr/ports/net/samba413/work/samba-4.13.1/bin/default/librpc',
'-L/wrkdirs/usr/ports/net/samba413/work/samba-4.13.1/bin/default/libcli/registry',
'-L/wrkdirs/usr/ports/net/samba413/work/samba-4.13.1/bin/default/lib',
'-L/wrkdirs/usr/ports/net/samba413/work/samba-4.13.1/bin/default/lib/dbwrap',
'-L/wrkdirs/usr/ports/net/samba413/work/samba-4.13.1/bin/default/lib/socket',
'-L/wrkdirs/usr/ports/net/samba413/work/samba-4.13.1/bin/default/lib/param',
'-L/wrkdirs/usr/ports/net/sam
ba413/work/samba-4.13.1/bin/default/lib/messaging',
'-L/wrkdirs/usr/ports/net/samba413/work/samba-4.13.1/bin/default/lib/util',
'-L/wrkdirs/usr/ports/net/samba413/work/samba-4.13.1/bin/default/libcli/util',
'-L/wrkdirs/usr/ports/net/samba413/work/samba-4.13.1/bin/default/lib/replace',
'-L/wrkdirs/usr/ports/net/samba413/work/samba-4.13.1/bin/default/source3',
'-L/usr/local/lib', '-L/usr/local/lib', '-L/usr/local/lib', '-L/usr/local/lib',
'-L/usr/local/lib', '-L/usr/local/lib', '-lpopt-samba3-samba4', '-lsmbconf',
'-lreplace-samba4', '-lsamba-errors', '-lcmdline-contexts-samba4',
'-lsamba-util', '-lsamba3-util-samba4', '-lmessages-dgm-samba4',
'-lsys-rw-samba4', '-lmessages-util-samba4', '-liov-buf-samba4',
'-lsamba-hostconfig', '-lsocket-blocking-samba4', '-linterfaces-samba4',
'-ldbwrap-samba4', '-ltevent-util', '-lsamba-sockets-samba4',
'-lutil-reg-samba4', '-lutil-tdb-samba4', '-lndr',
'-ltalloc-report-printf-samba4', '-lserver-id-db-samba4',
'-lsamba-cluster-support-samba4', '-lC
HARSET3-samba4', '-lsamba-security-samba4', '-lsmbd-s
him-samba4', '-lsamba-debug-samba4', '-lgenrand-samba4', '-ltime-basic-samba4',
'-lutil-setid-samba4', '-lmsghdr-samba4', '-lserver-role-samba4',
'-ltdb-wrap-samba4', '-levents-samba4', '-lndr-nbt', '-lroken-samba4',
'-lexecinfo', '-ltevent', '-ltalloc', '-lpthread', '-lutil',
'-lunwind-generic', '-lunwind', '-liconv', '-lz', '-ltdb', '-lpopt',
'-lgnutls', '-ltalloc', '-fstack-protector-strong', '-L/usr/local/lib', '-pie',
'-Wl,-z,relro,-z,now', '-Wl,-no-undefined', '-Wl,--export-dynamic']
--
// Lev Serebryakov
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