platform_system_sepolicy/private/domain.te

# Transition to crash_dump when /system/bin/crash_dump* is executed.
# This occurs when the process crashes.
domain_auto_trans(domain, crash_dump_exec, crash_dump);
allow domain crash_dump:process sigchld;

# Limit ability to ptrace or read sensitive /proc/pid files of processes
# with other UIDs to these whitelisted domains.
neverallow {
  domain
  -vold
  -dumpstate
  -storaged
  -system_server
  userdebug_or_eng(`-perfprofd')
} self:capability sys_ptrace;