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android-14.0.0_r2 patches

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This commit is contained in:
Ziyang Zhou
2023-10-05 22:21:34 +08:00
parent 9c881a3f1a
commit c4d3a1bee4
20 changed files with 868 additions and 0 deletions
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126
android-14.0.0_r2/system/core/0001-fix-booting.patch Normal file
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@@ -0,0 +1,126 @@
From 38a49840b16cab5b0c6fe10ad87abc78b39c341d Mon Sep 17 00:00:00 2001
From: Ziyang Zhou <ziyang.zhou@outlook.com>
Date: Sun, 9 May 2021 23:09:00 +0800
Subject: [PATCH 1/7] fix booting
---
init/first_stage_init.cpp | 18 +++++++++++++++---
init/init.cpp | 0
init/property_service.cpp | 0
init/service.cpp | 3 ++-
init/util.cpp | 3 ++-
rootdir/init.rc | 1 -
6 files changed, 19 insertions(+), 6 deletions(-)
mode change 100644 => 100755 init/init.cpp
mode change 100644 => 100755 init/property_service.cpp
diff --git a/init/first_stage_init.cpp b/init/first_stage_init.cpp
index 107e99a31..649f3ec76 100644
--- a/init/first_stage_init.cpp
+++ b/init/first_stage_init.cpp
@@ -35,6 +35,7 @@
#include <android-base/chrono_utils.h>
#include <android-base/file.h>
#include <android-base/logging.h>
+#include <android-base/strings.h>
#include <modprobe/modprobe.h>
#include <private/android_filesystem_config.h>
@@ -243,6 +244,8 @@ int FirstStageMain(int argc, char** argv) {
CHECKCALL(mkdir("/dev/pts", 0755));
CHECKCALL(mkdir("/dev/socket", 0755));
CHECKCALL(mkdir("/dev/dm-user", 0755));
+ mount("/system/etc", "/etc", "none", MS_BIND, NULL); // cgroup fix
+ unshare(CLONE_NEWCGROUP);
CHECKCALL(mount("devpts", "/dev/pts", "devpts", 0, NULL));
#define MAKE_STR(x) __STRING(x)
CHECKCALL(mount("proc", "/proc", "proc", 0, "hidepid=2,gid=" MAKE_STR(AID_READPROC)));
@@ -306,7 +309,6 @@ int FirstStageMain(int argc, char** argv) {
for (const auto& [error_string, error_errno] : errors) {
LOG(ERROR) << error_string << " " << strerror(error_errno);
}
- LOG(FATAL) << "Init encountered errors starting first stage, aborting";
}
LOG(INFO) << "init first stage started!";
@@ -420,12 +422,22 @@ int FirstStageMain(int argc, char** argv) {
1);
const char* path = "/system/bin/init";
- const char* args[] = {path, "selinux_setup", nullptr};
+ std::vector<const char *> args = {path, "second_stage"};
+ std::string init_cmdline;
+ android::base::ReadFileToString("/proc/self/cmdline", &init_cmdline);
+ std::replace(init_cmdline.begin(), init_cmdline.end(), '\0', ' ');
+ auto cmd_vector = android::base::Split(android::base::Trim(init_cmdline), " ");
+ int i = 0;
+ for (const auto& entry : cmd_vector) {
+ if (i++ == 0) continue; // ignore first arg '/init'
+ args.push_back(entry.c_str());
+ }
+ args.push_back(nullptr);
auto fd = open("/dev/kmsg", O_WRONLY | O_CLOEXEC);
dup2(fd, STDOUT_FILENO);
dup2(fd, STDERR_FILENO);
close(fd);
- execv(path, const_cast<char**>(args));
+ execv(path, const_cast<char**>(args.data()));
// execv() only returns if an error happened, in which case we
// panic and never fall through this conditional.
diff --git a/init/init.cpp b/init/init.cpp
old mode 100644
new mode 100755
diff --git a/init/property_service.cpp b/init/property_service.cpp
old mode 100644
new mode 100755
diff --git a/init/service.cpp b/init/service.cpp
index 35beaad33..3bdf7c26c 100644
--- a/init/service.cpp
+++ b/init/service.cpp
@@ -75,6 +75,7 @@ namespace android {
namespace init {
static Result<std::string> ComputeContextFromExecutable(const std::string& service_path) {
+ se_hack1("HACKED");
std::string computed_context;
char* raw_con = nullptr;
@@ -371,7 +372,7 @@ void Service::Reap(const siginfo_t& siginfo) {
if (!GetBoolProperty("init.svc_debug.no_fatal." + name_, false)) {
// Aborts into `fatal_reboot_target_'.
SetFatalRebootTarget(fatal_reboot_target_);
- LOG(FATAL) << "critical process '" << name_ << "' exited 4 times "
+ LOG(ERROR) << "critical process '" << name_ << "' exited 4 times "
<< exit_reason;
}
} else {
diff --git a/init/util.cpp b/init/util.cpp
index bc8ea6eaf..78d76a297 100644
--- a/init/util.cpp
+++ b/init/util.cpp
@@ -242,7 +242,8 @@ int wait_for_file(const char* filename, std::chrono::nanoseconds timeout) {
void ImportKernelCmdline(const std::function<void(const std::string&, const std::string&)>& fn) {
std::string cmdline;
- android::base::ReadFileToString("/proc/cmdline", &cmdline);
+ android::base::ReadFileToString("/proc/self/cmdline", &cmdline); // HACKED
+ std::replace(cmdline.begin(), cmdline.end(), '\0', ' '); // HACKED
for (const auto& entry : android::base::Split(android::base::Trim(cmdline), " ")) {
std::vector<std::string> pieces = android::base::Split(entry, "=");
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 1e6918d00..5806d142e 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -571,7 +571,6 @@ on post-fs
# Once everything is setup, no need to modify /.
# The bind+remount combination allows this to work in containers.
- mount rootfs rootfs / remount bind ro nodev
# Mount default storage into root namespace
mount none /mnt/user/0 /storage bind rec
--
2.34.1

25
android-14.0.0_r2/system/core/0002-allow-override-ro.-prop.patch Normal file
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@@ -0,0 +1,25 @@
From be0a3e8f8e6e3103c69577cff072d02a54c5f4df Mon Sep 17 00:00:00 2001
From: Ziyang Zhou <ziyang.zhou@outlook.com>
Date: Sat, 26 Jun 2021 05:42:24 +0000
Subject: [PATCH 2/7] allow override ro.* prop
---
init/property_service.cpp | 2 ++
1 file changed, 2 insertions(+)
diff --git a/init/property_service.cpp b/init/property_service.cpp
index 8da69822c..29418343b 100755
--- a/init/property_service.cpp
+++ b/init/property_service.cpp
@@ -1343,6 +1343,8 @@ static void ProcessKernelCmdline() {
ImportKernelCmdline([&](const std::string& key, const std::string& value) {
if (StartsWith(key, ANDROIDBOOT_PREFIX)) {
InitPropertySet("ro.boot." + key.substr(ANDROIDBOOT_PREFIX.size()), value);
+ } else if (StartsWith(key, "ro.")) {
+ InitPropertySet(key, value);
}
});
}
--
2.34.1

25
android-14.0.0_r2/system/core/0003-fix-first-stage-mount.patch Normal file
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@@ -0,0 +1,25 @@
From e28cc1e8fddc644f708ed2ca871ab6dfa42fa732 Mon Sep 17 00:00:00 2001
From: Ziyang Zhou <ziyang.zhou@outlook.com>
Date: Sun, 27 Jun 2021 09:49:22 +0000
Subject: [PATCH 3/7] ? fix first stage mount
---
init/first_stage_init.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/init/first_stage_init.cpp b/init/first_stage_init.cpp
index 649f3ec76..390b40979 100644
--- a/init/first_stage_init.cpp
+++ b/init/first_stage_init.cpp
@@ -403,7 +403,7 @@ int FirstStageMain(int argc, char** argv) {
}
if (!DoFirstStageMount(!created_devices)) {
- LOG(FATAL) << "Failed to mount required partitions early ...";
+ LOG(ERROR) << "Failed to mount required partitions early ..."; // HACKED
}
struct stat new_root_info;
--
2.34.1

26
android-14.0.0_r2/system/core/0004-ignore-input-subsystem.patch Normal file
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@@ -0,0 +1,26 @@
From 327be2d9ef3a973c9d4d29d9417edb9cdc33be03 Mon Sep 17 00:00:00 2001
From: Ziyang Zhou <ziyang.zhou@outlook.com>
Date: Fri, 25 Jun 2021 15:56:47 +0000
Subject: [PATCH 4/7] ignore input subsystem
---
rootdir/ueventd.rc | 3 ---
1 file changed, 3 deletions(-)
diff --git a/rootdir/ueventd.rc b/rootdir/ueventd.rc
index 0b7ffb8ea..1b6bdb692 100644
--- a/rootdir/ueventd.rc
+++ b/rootdir/ueventd.rc
@@ -12,9 +12,6 @@ subsystem drm
devname uevent_devpath
dirname /dev/dri
-subsystem input
- devname uevent_devpath
- dirname /dev/input
subsystem sound
devname uevent_devpath
--
2.34.1

24
android-14.0.0_r2/system/core/0005-ignore-devfs-mount.patch Normal file
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@@ -0,0 +1,24 @@
From bb1cd623a1f739179c89715e4114bb7be3a2b759 Mon Sep 17 00:00:00 2001
From: Ziyang Zhou <ziyang.zhou@outlook.com>
Date: Fri, 17 Dec 2021 22:44:33 +0800
Subject: [PATCH 5/7] ignore devfs mount
---
init/first_stage_init.cpp | 1 -
1 file changed, 1 deletion(-)
diff --git a/init/first_stage_init.cpp b/init/first_stage_init.cpp
index 390b40979..10585bb12 100644
--- a/init/first_stage_init.cpp
+++ b/init/first_stage_init.cpp
@@ -240,7 +240,6 @@ int FirstStageMain(int argc, char** argv) {
CHECKCALL(setenv("PATH", _PATH_DEFPATH, 1));
// Get the basic filesystem setup we need put together in the initramdisk
// on / and then we'll let the rc file figure out the rest.
- CHECKCALL(mount("tmpfs", "/dev", "tmpfs", MS_NOSUID, "mode=0755"));
CHECKCALL(mkdir("/dev/pts", 0755));
CHECKCALL(mkdir("/dev/socket", 0755));
CHECKCALL(mkdir("/dev/dm-user", 0755));
--
2.34.1

24
android-14.0.0_r2/system/core/0006-auto-alloc-binder-devices.patch Normal file
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@@ -0,0 +1,24 @@
From f626bc79fb34ffd6fc794fd66e354d4d3a410e7a Mon Sep 17 00:00:00 2001
From: Ziyang Zhou <ziyang.zhou@outlook.com>
Date: Thu, 6 Jan 2022 20:47:28 +0800
Subject: [PATCH 6/7] auto alloc binder devices
---
rootdir/init.rc | 1 +
1 file changed, 1 insertion(+)
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 5806d142e..b8fff425b 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -251,6 +251,7 @@ on init
mkdir /dev/binderfs
mount binder binder /dev/binderfs stats=global
chmod 0755 /dev/binderfs
+ exec -- /vendor/bin/binder_alloc /dev/binderfs/binder-control binder hwbinder vndbinder
# Mount fusectl
mount fusectl none /sys/fs/fuse/connections
--
2.34.1

24
android-14.0.0_r2/system/core/0007-skip-fusectl-mount.patch Normal file
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@@ -0,0 +1,24 @@
From bea928df202803e4a3d016d90831fae79f5edc9e Mon Sep 17 00:00:00 2001
From: Ziyang Zhou <ziyang.zhou@outlook.com>
Date: Sat, 2 Sep 2023 17:10:16 +0800
Subject: [PATCH 7/7] skip fusectl mount
---
rootdir/init.rc | 1 -
1 file changed, 1 deletion(-)
diff --git a/rootdir/init.rc b/rootdir/init.rc
index b8fff425b..3516ce2b9 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -254,7 +254,6 @@ on init
exec -- /vendor/bin/binder_alloc /dev/binderfs/binder-control binder hwbinder vndbinder
# Mount fusectl
- mount fusectl none /sys/fs/fuse/connections
symlink /dev/binderfs/binder /dev/binder
symlink /dev/binderfs/hwbinder /dev/hwbinder
--
2.34.1