[2022/01/22 19:33:53.529169,  0] ../../lib/util/fault.c:159(smb_panic_log)
  ===============================================================
[2022/01/22 19:33:53.529223,  0] ../../lib/util/fault.c:160(smb_panic_log)
  INTERNAL ERROR: Signal 11: Segmentation fault in pid 363150 (4.13.14-Ubuntu)
[2022/01/22 19:33:53.529235,  0] ../../lib/util/fault.c:164(smb_panic_log)
  If you are running a recent Samba version, and if you think this problem is not yet fixed in the latest versions, please consider reporting this bug, see https://wiki.samba.org/index.php/Bug_Reporting
[2022/01/22 19:33:53.529290,  0] ../../lib/util/fault.c:169(smb_panic_log)
  ===============================================================
[2022/01/22 19:33:53.529303,  0] ../../lib/util/fault.c:170(smb_panic_log)
  PANIC (pid 363150): Signal 11: Segmentation fault in 4.13.14-Ubuntu
[2022/01/22 19:33:53.529394,  0] ../../lib/util/fault.c:274(log_stack_trace)
  BACKTRACE: 5 stack frames:
   #0 /lib/x86_64-linux-gnu/libsamba-util.so.0(log_stack_trace+0x34) [0x7f950d03fe14]
   #1 /lib/x86_64-linux-gnu/libsamba-util.so.0(smb_panic+0x2a) [0x7f950d04008a]
   #2 /lib/x86_64-linux-gnu/libsamba-util.so.0(+0x122a5) [0x7f950d0402a5]
   #3 /lib/x86_64-linux-gnu/libpthread.so.0(+0x153c0) [0x7f950c95a3c0]
   #4 [0x55d687a3d260]
[2022/01/22 19:33:53.529453,  0] ../../source3/lib/util.c:838(smb_panic_s3)
  smb_panic(): calling panic action [/usr/share/samba/panic-action 363150]
gdb: warning: Couldn't determine a path for the index cache directory.
27      ../sysdeps/unix/sysv/linux/wait4.c: No such file or directory.
[2022/01/22 19:33:54.240972,  0] ../../source3/lib/util.c:845(smb_panic_s3)
  smb_panic(): action returned status 0
[2022/01/22 19:33:54.241045,  0] ../../source3/lib/dumpcore.c:317(dump_core)
  coredump is handled by helper binary specified at /proc/sys/kernel/core_pattern