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  • Jeff Sharkey's avatar
    drop_caches label, vold scratch space on expanded. · c960596c
    Jeff Sharkey authored 
    Define an explicit label for /proc/sys/vm/drop_caches and grant to
the various people who need it, including vold which uses it when
performing storage benchmarks.

Also let vold create new directories under it's private storage area
where the benchmarks will be carried out.  Mirror the definition of
the private storage area on expanded media.

avc: denied { write } for name="drop_caches" dev="proc" ino=20524 scontext=u:r:vold:s0 tcontext=u:object_r:proc:s0 tclass=file permissive=0

Bug: 21172095
Change-Id: I300b1cdbd235ff60e64064d3ba6e5ea783baf23f
    c960596c
genfs_contexts 2.03 KiB 
# Label inodes with the fs label.
genfscon rootfs / u:object_r:rootfs:s0
# proc labeling can be further refined (longest matching prefix).
genfscon proc / u:object_r:proc:s0
genfscon proc /net u:object_r:proc_net:s0
genfscon proc /net/xt_qtaguid/ctrl u:object_r:qtaguid_proc:s0
genfscon proc /cpuinfo u:object_r:proc_cpuinfo:s0
genfscon proc /sysrq-trigger u:object_r:proc_sysrq:s0
genfscon proc /sys/fs/protected_hardlinks u:object_r:proc_security:s0
genfscon proc /sys/fs/protected_symlinks u:object_r:proc_security:s0
genfscon proc /sys/fs/suid_dumpable u:object_r:proc_security:s0
genfscon proc /sys/kernel/core_pattern u:object_r:usermodehelper:s0
genfscon proc /sys/kernel/dmesg_restrict u:object_r:proc_security:s0
genfscon proc /sys/kernel/hotplug u:object_r:usermodehelper:s0
genfscon proc /sys/kernel/kptr_restrict u:object_r:proc_security:s0
genfscon proc /sys/kernel/modprobe u:object_r:usermodehelper:s0
genfscon proc /sys/kernel/modules_disabled u:object_r:proc_security:s0
genfscon proc /sys/kernel/poweroff_cmd u:object_r:usermodehelper:s0
genfscon proc /sys/kernel/randomize_va_space u:object_r:proc_security:s0
genfscon proc /sys/kernel/usermodehelper u:object_r:usermodehelper:s0
genfscon proc /sys/net u:object_r:proc_net:s0
genfscon proc /sys/vm/mmap_min_addr u:object_r:proc_security:s0
genfscon proc /sys/vm/drop_caches u:object_r:proc_drop_caches:s0
genfscon proc /uid_cputime/show_uid_stat u:object_r:proc_uid_cputime_showstat:s0
genfscon proc /uid_cputime/remove_uid_range u:object_r:proc_uid_cputime_removeuid:s0

# selinuxfs booleans can be individually labeled.
genfscon selinuxfs / u:object_r:selinuxfs:s0
genfscon cgroup / u:object_r:cgroup:s0
# sysfs labels can be set by userspace.
genfscon sysfs / u:object_r:sysfs:s0
genfscon inotifyfs / u:object_r:inotify:s0
genfscon vfat / u:object_r:vfat:s0
genfscon debugfs / u:object_r:debugfs:s0
genfscon fuse / u:object_r:fuse:s0
genfscon pstore / u:object_r:pstorefs:s0
genfscon functionfs / u:object_r:functionfs:s0
genfscon usbfs / u:object_r:usbfs:s0
genfscon binfmt_misc / u:object_r:binfmt_miscfs:s0