diff --git a/private/file_contexts b/private/file_contexts index b752b87cd4249ef2c2718e5379d7403c53a9f7a0..0bdb1f7eef9e621a48c94831cb5a054df101e31c 100644 --- a/private/file_contexts +++ b/private/file_contexts @@ -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 diff --git a/public/crash_dump.te b/public/crash_dump.te index ee617a171cf7fdc90531093b61943d88e65ede2f..c101b34d6b12a6516a11be95890368605976e8bc 100644 --- a/public/crash_dump.te +++ b/public/crash_dump.te @@ -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 diff --git a/public/device.te b/public/device.te index 4a3bec91f0bd14a6fd2bce9b5c2d05ca06d23833..0f64bfabbfb16611e1bf5f91a7def6cb9e4b530d 100644 --- a/public/device.te +++ b/public/device.te @@ -36,6 +36,7 @@ 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; diff --git a/public/init.te b/public/init.te index a007fc2742f39bcdd46b37c831d482b5ca83028e..1903cfd74a830e8d08b9bb59b2950e9d87599c1e 100644 --- a/public/init.te +++ b/public/init.te @@ -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 };