Evolution-X-Tensor/device_google_gs-common
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display: add pixel display trace to bugreport

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AVC error log justifications:
[ 1198.907014] type=1400 audit(1728067746.876:2074): avc:  denied  { search } for  comm="cat" name="instances" dev="tracefs" ino=4194 scontext=u:r:dump_display_userdebug:s0 tcontext=u:object_r:debugfs_tracing_instances:s0 tclass=dir permissive=1
[ 1198.908565] type=1400 audit(1728067746.876:2075): avc:  denied  { read } for  comm="cat" name="trace" dev="tracefs" ino=167692 scontext=u:r:dump_display_userdebug:s0 tcontext=u:object_r:debugfs_tracing_instances:s0 tclass=file permissive=1
[ 1198.909716] type=1400 audit(1728067746.876:2076): avc:  denied  { open } for  comm="cat" path="/sys/kernel/tracing/instances/pixel-display/trace" dev="tracefs" ino=167692 scontext=u:r:dump_display_userdebug:s0 tcontext=u:object_r:debugfs_tracing_instances:s0 tclass=file permissive=1

Bug: 369099258
Test: pixel display trace visible in bugreport
Flag: EXEMPT bugfix
Change-Id: I53f9340aee155d1ff0d0c0bc2db45e6bd77f342a
Signed-off-by: Taylor Nelms <tknelms@google.com>
This commit is contained in:
Taylor Nelms 2024-09-27 20:33:30 +00:00
parent c398fe11da
commit 0379e1a2b8
3 changed files with 8 additions and 0 deletions
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4
display/dump_display_userdebug.sh
View file

@ -1,4 +1,8 @@
#!/vendor/bin/sh
display_trace_path="/sys/kernel/tracing/instances/pixel-display/trace"
echo "------ Display Trace ($display_trace_path)------"
cat $display_trace_path
echo "------ HWC Fence States ------"
for f in $(ls /data/vendor/log/hwc/*_hwc_fence_state*.txt)
do

1
display/sepolicy/dump_display.te
View file

@ -1,3 +1,4 @@
# Display (dump for bugreport)
pixel_bugreport(dump_display)
allow dump_display sysfs_display:file r_file_perms;

3
display/sepolicy/dump_display_userdebug.te
View file

@ -1,3 +1,4 @@
# Display eng/userdebug (dump for bugreport)
pixel_bugreport(dump_display_userdebug)
userdebug_or_eng(`
@ -5,4 +6,6 @@ userdebug_or_eng(`
allow dump_display_userdebug vendor_log_file:dir search;
allow dump_display_userdebug vendor_hwc_log_file:dir r_dir_perms;
allow dump_display_userdebug vendor_hwc_log_file:file r_file_perms;
allow dump_display_userdebug debugfs_tracing_instances:dir search;
allow dump_display_userdebug debugfs_tracing_instances:file r_file_perms;
')