crash in mm_base_bearer_get_status
This is in Debian stretch, ModemManager version 1.6.4
ModemManager[26655]: segfault at 400000019 ip 0000558312eec0c4 sp 00007ffc34da8278 error 4 in ModemManager[558312ea7000+122000]
stack traces:
UID: 0 (root)
GID: 0 (root)
Signal: 11 (SEGV)
Timestamp: Mon 2020-03-23 01:10:45 GMT (9h ago)
Command Line: /usr/sbin/ModemManager
Executable: /usr/sbin/ModemManager
Control Group: /system.slice/ModemManager.service
Unit: ModemManager.service
Slice: system.slice
Boot ID: b53fb76d882c46a48998405f333a1921
Machine ID: b6a5b4a93cb140cf89c99482c6153406
Hostname: rmu5
Storage: /var/lib/systemd/coredump/core.ModemManager.0.b53fb76d882c46a48998405f333a1921.26655.1584925845000000000000.lz4
Message: Process 26655 (ModemManager) of user 0 dumped core.
Stack trace of thread 26655:
#0 0x0000558312eec0c4 mm_base_bearer_get_status (ModemManager)
#1 0x0000558312f38008 n/a (ModemManager)
#2 0x00007f398ed76f75 g_closure_invoke (libgobject-2.0.so.0)
#3 0x00007f398ed88f82 n/a (libgobject-2.0.so.0)
#4 0x00007f398ed91bdc g_signal_emit_valist (libgobject-2.0.so.0)
#5 0x00007f398ed91fbf g_signal_emit (libgobject-2.0.so.0)
#6 0x00007f398f887242 n/a (libqmi-glib.so.5)
#7 0x00007f398f7fc05a n/a (libqmi-glib.so.5)
#8 0x00007f398ea9d6aa g_main_context_dispatch (libglib-2.0.so.0)
#9 0x00007f398ea9da60 n/a (libglib-2.0.so.0)
#10 0x00007f398ea9dd82 g_main_loop_run (libglib-2.0.so.0)
#11 0x0000558312edfffe main (ModemManager)
#12 0x00007f398e4b72e1 __libc_start_main (libc.so.6)
#13 0x0000558312ee019a _start (ModemManager)
Stack trace of thread 26657:
#0 0x00007f398e5768bd poll (libc.so.6)
#1 0x00007f398ea9d9f6 n/a (libglib-2.0.so.0)
#2 0x00007f398ea9db0c g_main_context_iteration (libglib-2.0.so.0)
#3 0x00007f398ea9db51 n/a (libglib-2.0.so.0)
#4 0x00007f398eac54a5 n/a (libglib-2.0.so.0)
#5 0x00007f398e83d4a4 start_thread (libpthread.so.0)
#6 0x00007f398e57fd0f __clone (libc.so.6)
Stack trace of thread 26660:
#0 0x00007f398e5768bd poll (libc.so.6)
#1 0x00007f398ea9d9f6 n/a (libglib-2.0.so.0)
#2 0x00007f398ea9dd82 g_main_loop_run (libglib-2.0.so.0)
#3 0x00007f398f0857c6 n/a (libgio-2.0.so.0)
#4 0x00007f398eac54a5 n/a (libglib-2.0.so.0)
#5 0x00007f398e83d4a4 start_thread (libpthread.so.0)
#6 0x00007f398e57fd0f __clone (libc.so.6)
This is with a Quectel EC20
modem.