tequilaOS/platform_system_sepolicy
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Add /dev/kmsg_debug.

Browse source 
Add /dev/kmsg_debug on userdebug devices, to allow crash_dump to log
crashes to dmesg when logd isn't up yet (or is the one crashing).

(Originally commited in a015186fab)
Bug: 36574794
Bug: 62101480
Test: Builds and boots.
Change-Id: I249e11291c58fee77098dec3fd3271ea23363ac9
This commit is contained in:
Josh Gao 2017-03-28 13:09:37 -07:00 committed by Dan Cashman
parent 2d1927595e
commit 3458ec135e
5 changed files with 14 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
prebuilts/api/26.0/26.0.ignore.cil Normal file
View file

@ -0,0 +1,5 @@
;; new_objects - a collection of types that have been introduced that have no
;; analogue in older policy. Thus, we do not need to map these types to
;; previous ones. Add here to pass checkapi tests.
(typeattribute new_objects)
(typeattributeset new_objects (kmsg_debug_device))

1
private/file_contexts
View file

@ -107,6 +107,7 @@
/dev/ptmx u:object_r:ptmx_device:s0
/dev/pvrsrvkm u:object_r:gpu_device:s0
/dev/kmsg u:object_r:kmsg_device:s0
/dev/kmsg_debug u:object_r:kmsg_debug_device:s0
/dev/null u:object_r:null_device:s0
/dev/nvhdcp1 u:object_r:video_device:s0
/dev/random u:object_r:random_device:s0

3
public/crash_dump.te
View file

@ -15,6 +15,9 @@ dontaudit crash_dump self:capability { sys_ptrace };
userdebug_or_eng(`
allow crash_dump logd:process { ptrace signal sigchld sigstop sigkill };
# Let crash_dump write to /dev/kmsg_debug crashes that happen before logd comes up.
allow crash_dump kmsg_debug_device:chr_file { open append };
')
# Use inherited file descriptors

1
public/device.te
View file

@ -37,6 +37,7 @@ type mtp_device, dev_type, mlstrustedobject;
type nfc_device, dev_type;
type ptmx_device, dev_type, mlstrustedobject;
type kmsg_device, dev_type;
type kmsg_debug_device, dev_type;
type null_device, dev_type, mlstrustedobject;
type random_device, dev_type, mlstrustedobject;
type sensors_device, dev_type;

4
public/init.te
View file

@ -13,6 +13,10 @@ allow init tmpfs:chr_file { create setattr unlink rw_file_perms };
# /dev/kmsg
allow init tmpfs:chr_file relabelfrom;
allow init kmsg_device:chr_file { write relabelto };
# /dev/kmsg_debug
userdebug_or_eng(`
allow init kmsg_debug_device:chr_file { write relabelto };
')
# /dev/__properties__
allow init properties_device:dir relabelto;
allow init properties_serial:file { write relabelto };