Just to note that where we've been seeing pseudo hangs in rust, it
seems jemalloc calls obtain_malloc_conf() which calls readlink() which
pseudo intercepts and then calls malloc() which loops back to jemalloc
which deadlocks. What fun.
#0 0x00007f3806c84bcf in __lll_lock_wait () from
/home/pokybuild/yocto-worker/qemumips64/build/build/tmp/sysroots-uninative/x86_64-linux/lib/libc.so.6
#1 0x00007f3806c8aec2 in pthread_mutex_lock () from
/home/pokybuild/yocto-worker/qemumips64/build/build/tmp/sysroots-uninative/x86_64-linux/lib/libc.so.6
#2 0x00005629da227a0e in malloc_mutex_lock_final (mutex=0x5629da45a288
<init_lock>) at include/jemalloc/internal/mutex.h:155
#3 _rjem_je_malloc_mutex_lock_slow (mutex=0x5629da45a288 <init_lock>) at
src/mutex.c:85
#4 0x00005629da1ffddb in malloc_mutex_lock (tsdn=0x0, mutex=<optimized out>)
at include/jemalloc/internal/mutex.h:221
#5 malloc_init_hard () at src/jemalloc.c:1739
#6 0x00005629da1fa2ee in malloc_init () at src/jemalloc.c:223
#7 imalloc_init_check (sopts=<optimized out>, dopts=<optimized out>) at
src/jemalloc.c:2229
#8 imalloc (sopts=<optimized out>, dopts=<optimized out>) at
src/jemalloc.c:2260
#9 _rjem_je_malloc_default (size=101) at src/jemalloc.c:2289
#10 0x00007f3806c998fe in strdup () from
/home/pokybuild/yocto-worker/qemumips64/build/build/tmp/sysroots-uninative/x86_64-linux/lib/libc.so.6
#11 0x00007f380b19da1b in pseudo_set_value () from
/home/pokybuild/yocto-worker/qemumips64/build/build/tmp/sysroots-components/x86_64/pseudo-native/usr/lib/pseudo/lib64/libpseudo.so
#12 0x00007f380b19dbb9 in pseudo_init_util () from
/home/pokybuild/yocto-worker/qemumips64/build/build/tmp/sysroots-components/x86_64/pseudo-native/usr/lib/pseudo/lib64/libpseudo.so
#13 0x00007f380b16bd01 in ?? () from
/home/pokybuild/yocto-worker/qemumips64/build/build/tmp/sysroots-components/x86_64/pseudo-native/usr/lib/pseudo/lib64/libpseudo.so
#14 0x00007f380b19125d in readlink () from
/home/pokybuild/yocto-worker/qemumips64/build/build/tmp/sysroots-components/x86_64/pseudo-native/usr/lib/pseudo/lib64/libpseudo.so
#15 0x00005629da1fe07b in obtain_malloc_conf (which_source=2,
buf=0x7ffca80e7cc0 "\320~\016\250\374\177") at src/jemalloc.c:980
#16 malloc_conf_init_helper (sc_data=sc_data@entry=0x0,
bin_shard_sizes=bin_shard_sizes@entry=0x0, initial_call=true,
opts_cache=opts_cache@entry=0x7ffca80e6260, buf=<optimized out>,
buf@entry=0x7ffca80e7cc0 "\320~\016\250\374\177") at src/jemalloc.c:1038
#17 0x00005629da1fdcac in malloc_conf_init (sc_data=0x7ffca80e6310,
bin_shard_sizes=0x7ffca80e6280) at src/jemalloc.c:1445
#18 malloc_init_hard_a0_locked () at src/jemalloc.c:1505
#19 0x00005629da1fff46 in malloc_init_hard () at src/jemalloc.c:1750
#20 0x00005629da1fa2ee in malloc_init () at src/jemalloc.c:223
Cheers,
Richard
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