Created attachment 851690 [details]
netconsole log with backtraces

I have a server that has been running nicely for a year and now crashed the 3rd
time within 10 days. 

kernel 5.3.18-lp152.84-default

BUG: kernel NULL pointer dereference, address: 0000000000000000
RIP: 0010:__d_lookup_rcu+0x70/0x190
 Call Trace:
  lookup_fast+0x52/0x2d0
  walk_component+0x48/0x300
  ? path_init+0x192/0x320
  path_lookupat+0x6e/0x210
  filename_lookup+0xb6/0x190
  ? __check_object_size+0xd4/0x1a0
  ? strncpy_from_user+0x47/0x180
  ? getname_flags+0x66/0x1d0
  ? vfs_statx+0x73/0xe0
  vfs_statx+0x73/0xe0
  ? do_futex+0x17a/0x4c0
  __do_sys_newfstatat+0x31/0x70
  ? __x64_sys_futex+0x5e/0x1d0
  do_syscall_64+0x65/0x1f0
  entry_SYSCALL_64_after_hwframe+0x44/0xa9


Interestingly, it also did not auto-reboot with
cat /proc/sys/kernel/panic
90