jmgao

From 2c43231ecfd0c0fbb6850ebb6d65b0f62c29ba4a Mon Sep 17 00:00:00 2001
From: Josh Gao <jmgao@fb.com>
Date: Mon, 13 Sep 2021 17:16:17 -0700
Subject: [PATCH] selinux: optionally send signal on audit.

Allow processes to opt into receiving a signal upon audit failure, via
a new file at /proc/PID/selinux/audit_signal.

This is intended to be used primarily as a debugging facility, either
with a userspace signal handler/core dump, or interactively with

jmgao

     VM SIZE                                                           FILE SIZE
 --------------                                                     --------------
  15.5%  9.55Ki allocator                                                46   0.0%
   3.7%  2.25Ki z_main_stack                                             45   0.0%
   3.2%  2.00Ki z_interrupt_stacks                                       51   0.0%
   2.7%  1.69Ki mbedtls_internal_sha256_process                      1.76Ki   0.2%
   2.7%  1.68Ki usb_dc_stm32_state                                       51   0.0%
   2.0%  1.23Ki mpi_mul_hlp                                          1.27Ki   0.1%
   1.7%  1.05Ki HAL_PCD_IRQHandler                                   1.13Ki   0.1%
   1.6%    1024 sys_work_q_stack                                         49   0.0%

jmgao

diff ward_orig/content.opf ward_new/content.opf
6c6
<     <dc:identifier id="uuid" opf:scheme="uuid">66b23f28-81ea-47de-835b-e23b3871e5cb</dc:identifier>
---
>     <dc:identifier id="uuid" opf:scheme="uuid">e156c107-6136-49eb-9621-d4081d59cf73</dc:identifier>
Common subdirectories: ward_orig/META-INF and ward_new/META-INF
diff ward_orig/-tmp-content-12.html ward_new/-tmp-content-12.html
21c21
< <p><strong><a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="31615e585f456e7c546e71">[email&#160;protected]</a>_The_Sky</strong><strong>: </strong>Staying the night at work.&#160; Don’t fuss about me.&#160; Tell the Dallon parental units if you think it’s necessary to keep them from going on warpath.&#160; I want to be left alone for now</p>
---

jmgao

function _cherry() {
  local dry=$1
  local src_branch=$2
  local local_path=$3
  if [[ -z "$local_path" ]]; then
    local_path="."
  fi
  echo "git cherry $src_branch HEAD | grep '^+' | cut -d' ' -f2"
  for sha in `git cherry $src_branch HEAD | grep '^+' | cut -d' ' -f2`; do
    if [[ -e $local_path ]]; then

jmgao

import sun.misc.Cleaner;
import java.util.concurrent.atomic.AtomicBoolean;

class Resource {
  private AtomicBoolean cleaned;
  public Resource(AtomicBoolean b) {
    this.cleaned = b;
  }

  public void clean() {

jmgao

<?xml version="1.0"?>
<manifest>
  <remote fetch=".." name="aosp" review="https://android-review.googlesource.com/"/>
  <default remote="aosp" revision="sdk-release"/>
  <project groups="pdk" name="platform/external/lzma" path="external/lzma" revision="f1b366131bac064f0dd820ba0e20012e2ada52f0"/>
  <project groups="pdk" name="platform/external/protobuf-javalite" path="external/protobuf-javalite" revision="f23f4109a3ef91b9f05c92b091d49b1194081ee8"/>
  <project groups="device,pdk" name="device/google/cuttlefish_common" path="device/google/cuttlefish_common" revision="35588f31c28251e15ec87dc66ef9f727ba2473ef"/>
  <project groups="pdk" name="platform/bootable/recovery" path="bootable/recovery" revision="cdb70e00c7d97e28bc5141fd849471af25308217"/>
  <project groups="pdk" name="platform/system/bpfprogs" path="system/bpfprogs" revision="47226c64a22053440887f521647109d1c27ea941"/>
  <project groups="pdk" name="platform/hardware/google/apf" path="hardware/google/apf" revision="02c3c86963b53e9191db387feca2c9e77c90ceaa"/

jmgao

    /**
     * Retrieves the socket name from the OS.
     *
     * @return non-null; socket name
     * @throws IOException on failure
     */
    public LocalSocketAddress getSockAddress() throws IOException {
        // This method has never been implemented.
        return null;
    }

jmgao

test.integrated.o:     file format elf32-littlearm


Disassembly of section .text:

00000000 <_Z5flushv>:
   0:	b0a1      	sub	sp, #132	; 0x84
   2:	2000      	movs	r0, #0
   4:	9020      	str	r0, [sp, #128]	; 0x80
   6:	e85d 0f80 	ldrex	r0, [sp, #512]	; 0x200

jmgao

class AutoMutex {
 public:
  inline AutoMutex() : mLockCount(0) {
    int expected = 0;
    __c11_atomic_compare_exchange_weak(&mLockCount, &expected, expected + 1,
                                       __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST);
  }

 private:
  char x[128];

jmgao

extern void escape(void* p);

class AutoMutex {
 public:
  inline AutoMutex() : mLockCount(0) {
    int expected = 0;
    __c11_atomic_compare_exchange_weak(&mLockCount, &expected, expected + 1,
                                       __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST);
  }