#0  __GI_getenv (name=0x7fb42b5af43b "STEMD_DEVICE_VERIFY_SYSFS") at ./stdlib/getenv.c:84
        ep_start = <error reading variable ep_start (Cannot access memory at address 0x556030920c76)>
        len = 25
        ep = 0x556566686a00
        name_start = 22867
#1  0x00007fb42b5961e5 in ?? () from /lib/x86_64-linux-gnu/libudev.so.1
No symbol table info available.
#2  0x00007fb42b5968da in ?? () from /lib/x86_64-linux-gnu/libudev.so.1
No symbol table info available.
#3  0x00007fb42b5976d9 in ?? () from /lib/x86_64-linux-gnu/libudev.so.1
No symbol table info available.
#4  0x00007fb42b59e3f3 in ?? () from /lib/x86_64-linux-gnu/libudev.so.1
No symbol table info available.
#5  0x00007fb42b59e770 in ?? () from /lib/x86_64-linux-gnu/libudev.so.1
No symbol table info available.
#6  0x00007fb42b59f392 in udev_enumerate_scan_devices () from /lib/x86_64-linux-gnu/libudev.so.1
No symbol table info available.
#7  0x00007fb42b83e94d in g_udev_client_query_by_subsystem () from /lib/x86_64-linux-gnu/libgudev-1.0.so.0
No symbol table info available.
#8  0x00007fb42b91338b in libwacom_new_from_path () from /lib/x86_64-linux-gnu/libwacom.so.9
No symbol table info available.
#9  0x00007fb42e67d367 in ?? () from /lib/x86_64-linux-gnu/libmutter-11.so.0
No symbol table info available.
#10 0x00007fb42fb64998 in ?? () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#11 0x00007fb42fb66843 in g_object_new_valist () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#12 0x00007fb42fb66e9d in g_object_new () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#13 0x00007fb42e783555 in ?? () from /lib/x86_64-linux-gnu/libmutter-11.so.0
No symbol table info available.
#14 0x00007fb42e784b7a in ?? () from /lib/x86_64-linux-gnu/libmutter-11.so.0
No symbol table info available.
#15 0x00007fb42f5454e9 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#16 0x00007fb42f59a198 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#17 0x00007fb42f544a6f in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#18 0x00007fb42e77e7c0 in ?? () from /lib/x86_64-linux-gnu/libmutter-11.so.0
No symbol table info available.
#19 0x00007fb42f574401 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#20 0x00007fb42e2902e2 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
        ret = <optimized out>
        pd = <optimized out>
        out = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140410710116032, -8760774689629505413, -128, 0, 140728484961008, 140410701725696, 8722536971989579899, 8719854552822347899}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#21 0x00007fb42e31f240 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
No locals.