platform_device_qcom_sepolicy-legacy-um/legacy/vendor/common/vold.te

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allow vold tee_device:chr_file  rw_file_perms;
allow vold self:capability sys_boot;
allow vold cache_file:dir w_dir_perms;
allow vold { fscklogs cache_file }:file create_file_perms;

# Read and write /cache/recovery/command
allow vold cache_recovery_file:dir rw_dir_perms;
allow vold cache_recovery_file:file create_file_perms;

allow vold { proc_sysrq proc_dirty_ratio }:file rw_file_perms;
wakelock_use(vold)
allow vold swap_block_device:blk_file r_file_perms;