platform_system_sepolicy/public/tombstoned.te
Jeff Vander Stoep eb8f938fd4 tombstoned: allow unlinking anr files
Tombstoned unlinks "trace_XX" files if there are too many of them.

avc: denied { unlink } for comm="tombstoned" name="trace_12"
scontext=u:r:tombstoned:s0 tcontext=u:object_r:anr_data_file:s0
tclass=file

Bug: 77970585
Test: Build/boot taimen. adb root; sigquit an app.
Change-Id: I2c7cf81a837d82c4960c4c666b38cd910885d78d
2018-04-13 14:33:32 -07:00

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# debugger interface
type tombstoned, domain, mlstrustedsubject;
type tombstoned_exec, exec_type, file_type;
# Write to arbitrary pipes given to us.
allow tombstoned domain:fd use;
allow tombstoned domain:fifo_file write;
allow tombstoned domain:dir r_dir_perms;
allow tombstoned domain:file r_file_perms;
allow tombstoned tombstone_data_file:dir rw_dir_perms;
allow tombstoned tombstone_data_file:file create_file_perms;
# TODO: Remove append / write permissions. They were temporarily
# granted due to a bug which appears to have been fixed.
allow tombstoned anr_data_file:file { append write };
auditallow tombstoned anr_data_file:file { append write };
# Changes for the new stack dumping mechanism. Each trace goes into a
# separate file, and these files are managed by tombstoned.
allow tombstoned anr_data_file:dir rw_dir_perms;
allow tombstoned anr_data_file:file { create getattr open unlink };