[pulseaudio-tickets] [Bug 57280] New: crashes if XDG_RUNTIME_DIR is empty on non-existant

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=57280

          Priority: medium
            Bug ID: 57280
                CC: lennart at poettering.net
          Assignee: pulseaudio-bugs at lists.freedesktop.org
           Summary: crashes if XDG_RUNTIME_DIR is empty on non-existant
        QA Contact: pulseaudio-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: bluewind at xinu.at
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: clients
           Product: PulseAudio

mpd, mplayer and pavucontrol crash in libpulse.so if XDG_RUNTIME_DIR is empty
or the path it points to doesn't exist.

I'm running Arch Linux with pulseaudio 2.99.2

Backtraces below

flo at Marin ~ > XDG_RUNTIME_DIR=/foo backtrace pavucontrol
warning: Could not load shared library symbols for linux-vdso.so.1.
Do you need "set solib-search-path" or "set sysroot"?
Traceback (most recent call last):
  File "/usr/share/gdb/auto-load/usr/lib/libgobject-2.0.so.0.3400.2-gdb.py",
line 9, in <module>
    from gobject import register
  File "/usr/share/glib-2.0/gdb/gobject.py", line 3, in <module>
    import gdb.backtrace
ImportError: No module named backtrace
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
Failed to create secure directory (): No such file or directory
*** glibc detected *** /usr/bin/pavucontrol: double free or corruption (out):
0x00000000008666b0 ***
======= Backtrace: =========
/usr/lib/libc.so.6(+0x798a6)[0x7ffff4f338a6]
/usr/lib/libpulse.so.0(pa_xfree+0x2e)[0x7ffff59cd12e]
/usr/lib/pulseaudio/libpulsecommon-2.99.so(pa_get_runtime_dir+0x132)[0x7ffff11fca52]
/usr/lib/pulseaudio/libpulsecommon-2.99.so(+0x25e40)[0x7ffff11fce40]
/usr/lib/libpulse.so.0(+0xea9d)[0x7ffff59a3a9d]
/usr/lib/libpulse.so.0(pa_context_connect+0x238)[0x7ffff59a5a58]
/usr/bin/pavucontrol[0x4269d5]
/usr/bin/pavucontrol[0x40e310]
/usr/lib/libc.so.6(__libc_start_main+0xf5)[0x7ffff4edb725]
/usr/bin/pavucontrol[0x40e699]
--- removed memory mapping info ---

flo at Marin ~ > XDG_RUNTIME_DIR=/ backtrace pavucontrol   
warning: Could not load shared library symbols for linux-vdso.so.1.
Do you need "set solib-search-path" or "set sysroot"?
Traceback (most recent call last):
  File "/usr/share/gdb/auto-load/usr/lib/libgobject-2.0.so.0.3400.2-gdb.py",
line 9, in <module>
    from gobject import register
  File "/usr/share/glib-2.0/gdb/gobject.py", line 3, in <module>
    import gdb.backtrace
ImportError: No module named backtrace
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
Failed to create secure directory (): Permission denied

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff4f339e3 in malloc_consolidate () from /usr/lib/libc.so.6
#0  0x00007ffff4f339e3 in malloc_consolidate () from /usr/lib/libc.so.6
#1  0x00007ffff4f34ba7 in _int_malloc () from /usr/lib/libc.so.6
#2  0x00007ffff4f36e50 in malloc () from /usr/lib/libc.so.6
#3  0x00007ffff4edc431 in __gconv_open () from /usr/lib/libc.so.6
#4  0x00007ffff4edbdfa in iconv_open () from /usr/lib/libc.so.6
#5  0x00007ffff59c82a5 in ?? () from /usr/lib/libpulse.so.0
#6  0x00007ffff11f6aa5 in pa_cstrerror () from
/usr/lib/pulseaudio/libpulsecommon-2.99.so
#7  0x00007ffff1213ba7 in ?? () from /usr/lib/pulseaudio/libpulsecommon-2.99.so
#8  0x00007ffff1214036 in pa_socket_client_new_sockaddr () from
/usr/lib/pulseaudio/libpulsecommon-2.99.so
#9  0x00007ffff12141b1 in pa_socket_client_new_unix () from
/usr/lib/pulseaudio/libpulsecommon-2.99.so
#10 0x00007ffff1214f4d in pa_socket_client_new_string () from
/usr/lib/pulseaudio/libpulsecommon-2.99.so
#11 0x00007ffff59a4fd5 in ?? () from /usr/lib/libpulse.so.0
#12 0x00007ffff59a5903 in pa_context_connect () from /usr/lib/libpulse.so.0
#13 0x00000000004269d5 in ?? ()
#14 0x000000000040e310 in ?? ()
#15 0x00007ffff4edb725 in __libc_start_main () from /usr/lib/libc.so.6
#16 0x000000000040e699 in ?? ()
#17 0x00007fffffffda78 in ?? ()
#18 0x0000000000000000 in ?? ()

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