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DivestOS/Patches/LineageOS-16.0/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 +++
private/domain.te | 1 +
private/genfs_contexts | 1 +
public/init.te | 3 +++
12 files changed, 20 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..947eaaeca 100644
--- a/prebuilts/api/26.0/public/init.te
+++ b/prebuilts/api/26.0/public/init.te
@@ -96,6 +96,9 @@ allow init self:capability { sys_rawio mknod };
# Mounting filesystems from block devices.
allow init dev_type:blk_file r_file_perms;
+# Set /proc/sys/kernel/yama/ptrace_scope
+allow init self:capability { sys_ptrace };
+
# Mounting filesystems.
# Only allow relabelto for types used in context= mount options,
# which should all be assigned the contextmount_type attribute.
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..76de36515 100644
--- a/prebuilts/api/27.0/public/init.te
+++ b/prebuilts/api/27.0/public/init.te
@@ -101,6 +101,9 @@ allow init self:capability { sys_rawio mknod };
# Mounting filesystems from block devices.
allow init dev_type:blk_file r_file_perms;
+# Set /proc/sys/kernel/yama/ptrace_scope
+allow init self:capability { sys_ptrace };
+
# Mounting filesystems.
# Only allow relabelto for types used in context= mount options,
# which should all be assigned the contextmount_type attribute.
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 656a9557a..126313ed8 100644
--- a/prebuilts/api/28.0/private/genfs_contexts
+++ b/prebuilts/api/28.0/private/genfs_contexts
@@ -59,6 +59,7 @@ 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 9eff0b0be..e52fa7eee 100644
--- a/prebuilts/api/28.0/public/init.te
+++ b/prebuilts/api/28.0/public/init.te
@@ -115,6 +115,9 @@ allow init self:global_capability_class_set { sys_rawio mknod };
# Mounting filesystems from block devices.
allow init dev_type:blk_file r_file_perms;
+# Set /proc/sys/kernel/yama/ptrace_scope
+allow init self:capability { sys_ptrace };
+
# Mounting filesystems.
# Only allow relabelto for types used in context= mount options,
# which should all be assigned the contextmount_type attribute.
diff --git a/private/domain.te b/private/domain.te
index fb6ba4f78..e4bf76af7 100644
--- a/private/domain.te
+++ b/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/private/genfs_contexts b/private/genfs_contexts
index 28cf83ab2..bd64f01ba 100644
--- a/private/genfs_contexts
+++ b/private/genfs_contexts
@@ -62,6 +62,7 @@ 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 05a61aec3..0dd4481a5 100644
--- a/public/init.te
+++ b/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;
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