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When running pactl info against pipewire from the build directory with pw-uninstalled.sh, pactl info crashes in pipewire code with the following backtrace:

(gdb) run info
Starting program: /usr/bin/pactl info
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".

Program received signal SIGSEGV, Segmentation fault.
pw_properties_iterate (properties=0x7ffff7d7de40 <pa_idxset_string_hash_func>, state=0x7fffffffdd90) at ../src/pipewire/properties.c:496
496		return pw_array_get_unchecked(&impl->items, index, struct spa_dict_item)->key;
(gdb) bt
#0  pw_properties_iterate (properties=0x7ffff7d7de40 <pa_idxset_string_hash_func>, state=0x7fffffffdd90) at ../src/pipewire/properties.c:496
#1  0x00007ffff7d1a09f in pa_proplist_iterate (p=0x55555556bf30, state=0x7fffffffdd90) at ../pipewire-pulseaudio/src/proplist.c:241
#2  0x00007ffff7d1a8a6 in pw_properties_update_proplist (props=0x555555574910, p=0x55555556bf30) at ../pipewire-pulseaudio/src/proplist.c:394
#3  0x00007ffff7cfa6e3 in pa_context_new_with_proplist (mainloop=0x55555556c380, name=0x0, p=0x55555556bf30)
    at ../pipewire-pulseaudio/src/context.c:1542
#4  0x0000555555557521 in main ()

I've tried to print out the values of index and the length of the impl->items array before the crash and I get: index 0 len 1046907865865642224

Other pulseaudio applications like pavucontrol however work this way (pulseaudio server is disabled systemwide).

pipewire log: pw.log