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DivestOS/Patches/LineageOS-18.1/android_system_sepolicy/0003-ptrace_scope-1.patch
Tad 05930af014 Various changes
2022-05-14 21:40:50 -04:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: flawedworld <38294951+flawedworld@users.noreply.github.com>
Date: Mon, 5 Apr 2021 02:26:20 +0100
Subject: [PATCH] allow init to control kernel.yama.ptrace_scope
[tad@spotco.us]: added to older targets to match
Change-Id: Id364a6a0e088be3bb00b245d580e29980f5c2650
---
prebuilts/api/26.0/private/domain.te | 1 +
prebuilts/api/26.0/private/genfs_contexts | 1 +
prebuilts/api/26.0/public/init.te | 3 +++
prebuilts/api/27.0/private/domain.te | 1 +
prebuilts/api/27.0/private/genfs_contexts | 1 +
prebuilts/api/27.0/public/init.te | 3 +++
prebuilts/api/28.0/private/domain.te | 1 +
prebuilts/api/28.0/private/genfs_contexts | 1 +
prebuilts/api/28.0/public/init.te | 3 +++
prebuilts/api/29.0/private/domain.te | 1 +
prebuilts/api/29.0/private/genfs_contexts | 1 +
prebuilts/api/29.0/public/init.te | 3 +++
prebuilts/api/30.0/private/domain.te | 1 +
prebuilts/api/30.0/private/genfs_contexts | 1 +
prebuilts/api/30.0/public/init.te | 3 +++
private/domain.te | 1 +
private/genfs_contexts | 1 +
public/init.te | 3 +++
18 files changed, 30 insertions(+)
diff --git a/prebuilts/api/26.0/private/domain.te b/prebuilts/api/26.0/private/domain.te
index d37a0bd26..69f98161c 100644
--- a/prebuilts/api/26.0/private/domain.te
+++ b/prebuilts/api/26.0/private/domain.te
@@ -7,6 +7,7 @@ allow domain crash_dump:process sigchld;
# with other UIDs to these whitelisted domains.
neverallow {
domain
+ -init
-vold
-dumpstate
-storaged
diff --git a/prebuilts/api/26.0/private/genfs_contexts b/prebuilts/api/26.0/private/genfs_contexts
index 753cabf15..67203c998 100644
--- a/prebuilts/api/26.0/private/genfs_contexts
+++ b/prebuilts/api/26.0/private/genfs_contexts
@@ -29,6 +29,7 @@ genfscon proc /sys/kernel/perf_event_max_sample_rate u:object_r:proc_perf: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/kernel/yama/ptrace_scope u:object_r:proc_security: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/mmap_rnd_bits u:object_r:proc_security:s0
diff --git a/prebuilts/api/26.0/public/init.te b/prebuilts/api/26.0/public/init.te
index 6d43ef463..04422e1d0 100644
--- a/prebuilts/api/26.0/public/init.te
+++ b/prebuilts/api/26.0/public/init.te
@@ -93,6 +93,9 @@ allow init self:capability sys_time;
allow init self:capability { sys_rawio mknod };
+# Set /proc/sys/kernel/yama/ptrace_scope
+allow init self:capability { sys_ptrace };
+
# Mounting filesystems from block devices.
allow init dev_type:blk_file r_file_perms;
diff --git a/prebuilts/api/27.0/private/domain.te b/prebuilts/api/27.0/private/domain.te
index d37a0bd26..69f98161c 100644
--- a/prebuilts/api/27.0/private/domain.te
+++ b/prebuilts/api/27.0/private/domain.te
@@ -7,6 +7,7 @@ allow domain crash_dump:process sigchld;
# with other UIDs to these whitelisted domains.
neverallow {
domain
+ -init
-vold
-dumpstate
-storaged
diff --git a/prebuilts/api/27.0/private/genfs_contexts b/prebuilts/api/27.0/private/genfs_contexts
index 606d46cbe..ac54e423a 100644
--- a/prebuilts/api/27.0/private/genfs_contexts
+++ b/prebuilts/api/27.0/private/genfs_contexts
@@ -29,6 +29,7 @@ genfscon proc /sys/kernel/perf_event_max_sample_rate u:object_r:proc_perf: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/kernel/yama/ptrace_scope u:object_r:proc_security: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/mmap_rnd_bits u:object_r:proc_security:s0
diff --git a/prebuilts/api/27.0/public/init.te b/prebuilts/api/27.0/public/init.te
index e6162a939..78d1ab527 100644
--- a/prebuilts/api/27.0/public/init.te
+++ b/prebuilts/api/27.0/public/init.te
@@ -98,6 +98,9 @@ allow init self:capability sys_time;
allow init self:capability { sys_rawio mknod };
+# Set /proc/sys/kernel/yama/ptrace_scope
+allow init self:capability { sys_ptrace };
+
# Mounting filesystems from block devices.
allow init dev_type:blk_file r_file_perms;
diff --git a/prebuilts/api/28.0/private/domain.te b/prebuilts/api/28.0/private/domain.te
index fb6ba4f78..e4bf76af7 100644
--- a/prebuilts/api/28.0/private/domain.te
+++ b/prebuilts/api/28.0/private/domain.te
@@ -7,6 +7,7 @@ allow domain crash_dump:process sigchld;
# with other UIDs to these whitelisted domains.
neverallow {
domain
+ -init
-vold
-dumpstate
userdebug_or_eng(`-incidentd')
diff --git a/prebuilts/api/28.0/private/genfs_contexts b/prebuilts/api/28.0/private/genfs_contexts
index 44ca95fd5..89b55b28d 100644
--- a/prebuilts/api/28.0/private/genfs_contexts
+++ b/prebuilts/api/28.0/private/genfs_contexts
@@ -58,6 +58,7 @@ genfscon proc /sys/kernel/sched_tunable_scaling u:object_r:proc_sched:s0
genfscon proc /sys/kernel/sched_wakeup_granularity_ns u:object_r:proc_sched:s0
genfscon proc /sys/kernel/sysrq u:object_r:proc_sysrq:s0
genfscon proc /sys/kernel/usermodehelper u:object_r:usermodehelper:s0
+genfscon proc /sys/kernel/yama/ptrace_scope u:object_r:proc_security:s0
genfscon proc /sys/net u:object_r:proc_net:s0
genfscon proc /sys/vm/dirty_background_ratio u:object_r:proc_dirty:s0
genfscon proc /sys/vm/dirty_expire_centisecs u:object_r:proc_dirty:s0
diff --git a/prebuilts/api/28.0/public/init.te b/prebuilts/api/28.0/public/init.te
index dafc06f99..bc38c7760 100644
--- a/prebuilts/api/28.0/public/init.te
+++ b/prebuilts/api/28.0/public/init.te
@@ -112,6 +112,9 @@ allow init self:global_capability_class_set sys_time;
allow init self:global_capability_class_set { sys_rawio mknod };
+# Set /proc/sys/kernel/yama/ptrace_scope
+allow init self:capability { sys_ptrace };
+
# Mounting filesystems from block devices.
allow init dev_type:blk_file r_file_perms;
diff --git a/prebuilts/api/29.0/private/domain.te b/prebuilts/api/29.0/private/domain.te
index 209eeb0dd..3a36ec678 100644
--- a/prebuilts/api/29.0/private/domain.te
+++ b/prebuilts/api/29.0/private/domain.te
@@ -86,6 +86,7 @@ userdebug_or_eng(`
# with other UIDs to these whitelisted domains.
neverallow {
domain
+ -init
-vold
userdebug_or_eng(`-llkd')
-dumpstate
diff --git a/prebuilts/api/29.0/private/genfs_contexts b/prebuilts/api/29.0/private/genfs_contexts
index 804996685..22a1ebf8d 100644
--- a/prebuilts/api/29.0/private/genfs_contexts
+++ b/prebuilts/api/29.0/private/genfs_contexts
@@ -68,6 +68,7 @@ genfscon proc /sys/kernel/sched_tunable_scaling u:object_r:proc_sched:s0
genfscon proc /sys/kernel/sched_wakeup_granularity_ns u:object_r:proc_sched:s0
genfscon proc /sys/kernel/sysrq u:object_r:proc_sysrq:s0
genfscon proc /sys/kernel/usermodehelper u:object_r:usermodehelper:s0
+genfscon proc /sys/kernel/yama/ptrace_scope u:object_r:proc_security:s0
genfscon proc /sys/net u:object_r:proc_net:s0
genfscon proc /sys/vm/dirty_background_ratio u:object_r:proc_dirty:s0
genfscon proc /sys/vm/dirty_expire_centisecs u:object_r:proc_dirty:s0
diff --git a/prebuilts/api/29.0/public/init.te b/prebuilts/api/29.0/public/init.te
index 2d52f5966..aa0036f1b 100644
--- a/prebuilts/api/29.0/public/init.te
+++ b/prebuilts/api/29.0/public/init.te
@@ -121,6 +121,9 @@ allow init self:global_capability_class_set sys_time;
allow init self:global_capability_class_set { sys_rawio mknod };
+# Set /proc/sys/kernel/yama/ptrace_scope
+allow init self:capability { sys_ptrace };
+
# Mounting filesystems from block devices.
allow init dev_type:blk_file r_file_perms;
allowxperm init dev_type:blk_file ioctl BLKROSET;
diff --git a/prebuilts/api/30.0/private/domain.te b/prebuilts/api/30.0/private/domain.te
index 7116dadfd..55264d01a 100644
--- a/prebuilts/api/30.0/private/domain.te
+++ b/prebuilts/api/30.0/private/domain.te
@@ -125,6 +125,7 @@ allow domain boringssl_self_test_marker:dir search;
# with other UIDs to these whitelisted domains.
neverallow {
domain
+ -init
-vold
userdebug_or_eng(`-llkd')
-dumpstate
diff --git a/prebuilts/api/30.0/private/genfs_contexts b/prebuilts/api/30.0/private/genfs_contexts
index c5f43c74a..c34705788 100644
--- a/prebuilts/api/30.0/private/genfs_contexts
+++ b/prebuilts/api/30.0/private/genfs_contexts
@@ -73,6 +73,7 @@ genfscon proc /sys/kernel/sched_tunable_scaling u:object_r:proc_sched:s0
genfscon proc /sys/kernel/sched_wakeup_granularity_ns u:object_r:proc_sched:s0
genfscon proc /sys/kernel/sysrq u:object_r:proc_sysrq:s0
genfscon proc /sys/kernel/usermodehelper u:object_r:usermodehelper:s0
+genfscon proc /sys/kernel/yama/ptrace_scope u:object_r:proc_security:s0
genfscon proc /sys/net u:object_r:proc_net:s0
genfscon proc /sys/vm/dirty_background_ratio u:object_r:proc_dirty:s0
genfscon proc /sys/vm/dirty_expire_centisecs u:object_r:proc_dirty:s0
diff --git a/prebuilts/api/30.0/public/init.te b/prebuilts/api/30.0/public/init.te
index 374c0c1f4..5698d53fd 100644
--- a/prebuilts/api/30.0/public/init.te
+++ b/prebuilts/api/30.0/public/init.te
@@ -144,6 +144,9 @@ allow init self:global_capability_class_set sys_time;
allow init self:global_capability_class_set { sys_rawio mknod };
+# Set /proc/sys/kernel/yama/ptrace_scope
+allow init self:capability { sys_ptrace };
+
# Mounting filesystems from block devices.
allow init dev_type:blk_file r_file_perms;
allowxperm init dev_type:blk_file ioctl BLKROSET;
diff --git a/private/domain.te b/private/domain.te
index 7116dadfd..55264d01a 100644
--- a/private/domain.te
+++ b/private/domain.te
@@ -125,6 +125,7 @@ allow domain boringssl_self_test_marker:dir search;
# with other UIDs to these whitelisted domains.
neverallow {
domain
+ -init
-vold
userdebug_or_eng(`-llkd')
-dumpstate
diff --git a/private/genfs_contexts b/private/genfs_contexts
index c5f43c74a..c34705788 100644
--- a/private/genfs_contexts
+++ b/private/genfs_contexts
@@ -73,6 +73,7 @@ genfscon proc /sys/kernel/sched_tunable_scaling u:object_r:proc_sched:s0
genfscon proc /sys/kernel/sched_wakeup_granularity_ns u:object_r:proc_sched:s0
genfscon proc /sys/kernel/sysrq u:object_r:proc_sysrq:s0
genfscon proc /sys/kernel/usermodehelper u:object_r:usermodehelper:s0
+genfscon proc /sys/kernel/yama/ptrace_scope u:object_r:proc_security:s0
genfscon proc /sys/net u:object_r:proc_net:s0
genfscon proc /sys/vm/dirty_background_ratio u:object_r:proc_dirty:s0
genfscon proc /sys/vm/dirty_expire_centisecs u:object_r:proc_dirty:s0
diff --git a/public/init.te b/public/init.te
index 374c0c1f4..5698d53fd 100644
--- a/public/init.te
+++ b/public/init.te
@@ -144,6 +144,9 @@ allow init self:global_capability_class_set sys_time;
allow init self:global_capability_class_set { sys_rawio mknod };
+# Set /proc/sys/kernel/yama/ptrace_scope
+allow init self:capability { sys_ptrace };
+
# Mounting filesystems from block devices.
allow init dev_type:blk_file r_file_perms;
allowxperm init dev_type:blk_file ioctl BLKROSET;
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