lots of applications dump core: pthread_mutex_lock

[Thomas Klausner <wiz%NetBSD.org@localhost>]

After updating my 5.99.45 userland from about three weeks back to
yesterday's 5.99.46 current, many applications immediately dump
core. The applications were build from scratch for 5.99.45.

# firefox
zsh: segmentation fault (core dumped)  firefox
# filezilla 
zsh: segmentation fault (core dumped)  filezilla
# mpd
zsh: segmentation fault (core dumped)  mpd
# okular
zsh: segmentation fault (core dumped)  okular
# konqueror
zsh: segmentation fault (core dumped)  konqueror

Backtraces:
konqueror:
(gdb) bt
#0  pthread_mutex_lock (ptm=0x7f7fef60b4c0)
    at /archive/cvs/src/lib/libpthread/pthread_mutex.c:151
#1  0x00007f7fef409502 in __register_frame_info_bases (
    begin=<value optimized out>, ob=0x7f7fef313548, tbase=0x0,
    dbase=0x0)
    at /archive/cvs/src/gnu/dist/gcc4/gcc/gthr-posix.h:559
#2  0x00007f7fef037376 in ?? () from /usr/lib/libc.so.12
#3  0x00007f7ff7ff7b80 in ?? ()
#4  0x00007f7fef032fd9 in _init () from /usr/lib/libc.so.12
#5  0x00007f7fffffd480 in ?? ()
#6  0x00007f7ff7c036ca in _rtld_call_init_functions ()
   from /usr/libexec/ld.elf_so
#7  0x00007f7ff7c04541 in _rtld () from /usr/libexec/ld.elf_so
#8  0x00007f7ff7c0219f in .rtld_start () from /usr/libexec/ld.elf_so
#9  0x00007f7fffffffe0 in ?? ()
#10 0x0000000000000000 in ?? ()
Current language:  auto; currently c

filezilla
#0  pthread_mutex_lock (ptm=0x7f7fe8c0b4c0)
    at /archive/cvs/src/lib/libpthread/pthread_mutex.c:151
151     {
(gdb) bt
#0  pthread_mutex_lock (ptm=0x7f7fe8c0b4c0)
    at /archive/cvs/src/lib/libpthread/pthread_mutex.c:151
#1  0x00007f7fe8a09502 in __register_frame_info_bases (
    begin=<value optimized out>, ob=0x7f7fe9113548, tbase=0x0,
    dbase=0x0)
    at /archive/cvs/src/gnu/dist/gcc4/gcc/gthr-posix.h:559
#2  0x00007f7fe8e37376 in ?? () from /usr/lib/libc.so.12
#3  0x00007f7ff7fe8ae0 in ?? ()
#4  0x00007f7fe8e32fd9 in _init () from /usr/lib/libc.so.12
#5  0x00007f7fffffd480 in ?? ()
#6  0x00007f7ff7c036ca in _rtld_call_init_functions ()
   from /usr/libexec/ld.elf_so
#7  0x00007f7ff7c04541 in _rtld () from /usr/libexec/ld.elf_so
#8  0x00007f7ff7c0219f in .rtld_start () from /usr/libexec/ld.elf_so
#9  0x00007f7fffffffe0 in ?? ()
#10 0x0000000000000000 in ?? ()

mpd
#0  pthread_mutex_lock (ptm=0x7f7ff240b4c0)
    at /archive/cvs/src/lib/libpthread/pthread_mutex.c:151
151     {
(gdb) bt
#0  pthread_mutex_lock (ptm=0x7f7ff240b4c0)
    at /archive/cvs/src/lib/libpthread/pthread_mutex.c:151
#1  0x00007f7ff2209502 in __register_frame_info_bases (
    begin=<value optimized out>, ob=0x7f7ff1d13548, tbase=0x0,
    dbase=0x0)
    at /archive/cvs/src/gnu/dist/gcc4/gcc/gthr-posix.h:559
#2  0x00007f7ff1a37376 in ?? () from /usr/lib/libc.so.12
#3  0x00007f7ff7fffe20 in ?? ()
#4  0x00007f7ff1a32fd9 in _init () from /usr/lib/libc.so.12
#5  0x00007f7fffffd488 in ?? ()
#6  0x00007f7ff7c036ca in _rtld_call_init_functions ()
   from /usr/libexec/ld.elf_so
#7  0x00007f7ff7c04541 in _rtld () from /usr/libexec/ld.elf_so
#8  0x00007f7ff7c0219f in .rtld_start () from /usr/libexec/ld.elf_so
#9  0x00007f7fffffffe0 in ?? ()
#10 0x0000000000000000 in ?? ()

evince, python, rtorrent, zsh work.
 Thomas