typeattribute dumpstate coredomain; type dumpstate_tmpfs, file_type; init_daemon_domain(dumpstate) # Execute and transition to the vdc domain domain_auto_trans(dumpstate, vdc_exec, vdc) # Create tmpfs files for using memfd descriptors to get output from child # processes. tmpfs_domain(dumpstate) # Acquire advisory lock on /system/etc/xtables.lock from ip[6]tables allow dumpstate system_file:file lock; allow dumpstate storaged_exec:file rx_file_perms; # /data/misc/a11ytrace for accessibility traces userdebug_or_eng(` allow dumpstate accessibility_trace_data_file:dir r_dir_perms; allow dumpstate accessibility_trace_data_file:file r_file_perms; ') # /data/misc/wmtrace for wm traces userdebug_or_eng(` allow dumpstate wm_trace_data_file:dir r_dir_perms; allow dumpstate wm_trace_data_file:file r_file_perms; ') # Allow dumpstate to make binder calls to incidentd binder_call(dumpstate, incidentd) # Allow dumpstate to make binder calls to storaged service binder_call(dumpstate, storaged) # Allow dumpstate to make binder calls to statsd binder_call(dumpstate, statsd) # Allow dumpstate to talk to gpuservice over binder binder_call(dumpstate, gpuservice); # Allow dumpstate to talk to idmap over binder binder_call(dumpstate, idmap); # Allow dumpstate to talk to profcollectd over binder userdebug_or_eng(` binder_call(dumpstate, profcollectd) ') # Collect metrics on boot time created by init get_prop(dumpstate, boottime_prop) # Signal native processes to dump their stack. allow dumpstate { mediatranscoding statsd netd }:process signal; userdebug_or_eng(` allow dumpstate keystore:process signal; ') # For collecting bugreports. no_debugfs_restriction(` allow dumpstate debugfs_wakeup_sources:file r_file_perms; ') allow dumpstate dev_type:blk_file getattr; allow dumpstate webview_zygote:process signal; allow dumpstate sysfs_dmabuf_stats:file r_file_perms; dontaudit dumpstate update_engine:binder call; # Read files in /proc allow dumpstate { proc_net_tcp_udp proc_pid_max }:file r_file_perms; # For comminucating with the system process to do confirmation ui. binder_call(dumpstate, incidentcompanion_service) # Set properties. # dumpstate_prop is used to share state with the Shell app. set_prop(dumpstate, dumpstate_prop) set_prop(dumpstate, exported_dumpstate_prop) # dumpstate_options_prop is used to pass extra command-line args. set_prop(dumpstate, dumpstate_options_prop) # Allow dumpstate to kill vendor dumpstate service by init set_prop(dumpstate, ctl_dumpstate_prop) # For dumping dynamic partition information. set_prop(dumpstate, lpdumpd_prop) binder_call(dumpstate, lpdumpd) # For dumping hypervisor information. get_prop(dumpstate, hypervisor_prop) # For dumping device-mapper and snapshot information. allow dumpstate gsid_exec:file rx_file_perms; set_prop(dumpstate, ctl_gsid_prop) binder_call(dumpstate, gsid) r_dir_file(dumpstate, ota_metadata_file) # For starting (and killing) perfetto --save-for-bugreport. If a labelled trace # is being recorded, the command above will serialize it into # /data/misc/perfetto-traces/bugreport/*.pftrace . domain_auto_trans(dumpstate, perfetto_exec, perfetto) allow dumpstate perfetto:process signal; allow dumpstate perfetto_traces_data_file:dir { search }; allow dumpstate perfetto_traces_bugreport_data_file:dir rw_dir_perms; allow dumpstate perfetto_traces_bugreport_data_file:file { r_file_perms unlink }; # When exec-ing /system/bin/perfetto, dumpstates redirects stdio to /dev/null # (which is labelled as dumpstate_tmpfs) to avoid leaking a FD to the bugreport # zip file. These rules are to allow perfetto.te to inherit dumpstate's # /dev/null. allow perfetto dumpstate_tmpfs:file rw_file_perms; allow perfetto dumpstate:fd use; # system_dlkm_file for /system_dlkm partition allow dumpstate system_dlkm_file:dir getattr;