// https://syzkaller.appspot.com/bug?id=d2a4c274c88159193d771cfdfd67bd7ca71b3868
// autogenerated by syzkaller (http://github.com/google/syzkaller)

#define _GNU_SOURCE
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdio.h>
#include <string.h>
#include <sys/prctl.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

__attribute__((noreturn)) static void doexit(int status)
{
  volatile unsigned i;
  syscall(__NR_exit_group, status);
  for (i = 0;; i++) {
  }
}
#include <stdint.h>
#include <string.h>

const int kFailStatus = 67;
const int kRetryStatus = 69;

static void fail(const char* msg, ...)
{
  int e = errno;
  va_list args;
  va_start(args, msg);
  vfprintf(stderr, msg, args);
  va_end(args);
  fprintf(stderr, " (errno %d)\n", e);
  doexit((e == ENOMEM || e == EAGAIN) ? kRetryStatus : kFailStatus);
}

static uint64_t current_time_ms()
{
  struct timespec ts;

  if (clock_gettime(CLOCK_MONOTONIC, &ts))
    fail("clock_gettime failed");
  return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}

static uintptr_t syz_open_dev(uintptr_t a0, uintptr_t a1, uintptr_t a2)
{
  if (a0 == 0xc || a0 == 0xb) {
    char buf[128];
    sprintf(buf, "/dev/%s/%d:%d", a0 == 0xc ? "char" : "block", (uint8_t)a1,
            (uint8_t)a2);
    return open(buf, O_RDWR, 0);
  } else {
    char buf[1024];
    char* hash;
    strncpy(buf, (char*)a0, sizeof(buf));
    buf[sizeof(buf) - 1] = 0;
    while ((hash = strchr(buf, '#'))) {
      *hash = '0' + (char)(a1 % 10);
      a1 /= 10;
    }
    return open(buf, a2, 0);
  }
}

static void test();

void loop()
{
  int iter;
  for (iter = 0;; iter++) {
    int pid = fork();
    if (pid < 0)
      fail("loop fork failed");
    if (pid == 0) {
      prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
      setpgrp();
      test();
      doexit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      int res = waitpid(-1, &status, __WALL | WNOHANG);
      if (res == pid)
        break;
      usleep(1000);
      if (current_time_ms() - start > 5 * 1000) {
        kill(-pid, SIGKILL);
        kill(pid, SIGKILL);
        while (waitpid(-1, &status, __WALL) != pid) {
        }
        break;
      }
    }
  }
}

long r[2];
void test()
{
  memset(r, -1, sizeof(r));
  syscall(__NR_mmap, 0x20000000, 0xfff000, 3, 0x32, -1, 0);
  syscall(__NR_listen, -1, 0x1000);
  *(uint32_t*)0x208f4000 = 0xa;
  syscall(__NR_accept, -1, 0x20f06000, 0x208f4000);
  memcpy((void*)0x20779ff7, "/dev/rtc", 9);
  syscall(__NR_openat, 0xffffffffffffff9c, 0x20779ff7, 0x800, 0);
  memcpy((void*)0x20005000, "/dev/binder#", 13);
  r[0] = syz_open_dev(0x20005000, 0, 0);
  memcpy((void*)0x20008ff3, "/dev/binder#", 13);
  r[1] = syz_open_dev(0x20008ff3, 0, 0);
  syscall(__NR_ioctl, r[1], 0x40046207, 0);
  *(uint64_t*)0x2000afd0 = 0x44;
  *(uint64_t*)0x2000afd8 = 0;
  *(uint64_t*)0x2000afe0 = 0x20009f84;
  *(uint64_t*)0x2000afe8 = 0;
  *(uint64_t*)0x2000aff0 = 0;
  *(uint64_t*)0x2000aff8 = 0x20003fb3;
  *(uint32_t*)0x20009f84 = 0x40486311;
  *(uint32_t*)0x20009f88 = 0;
  *(uint32_t*)0x20009f8c = 0;
  *(uint64_t*)0x20009f90 = 0;
  *(uint32_t*)0x20009f98 = 0;
  *(uint32_t*)0x20009f9c = 0;
  *(uint32_t*)0x20009fa0 = 0;
  *(uint32_t*)0x20009fa4 = 0;
  *(uint64_t*)0x20009fa8 = 0;
  *(uint64_t*)0x20009fb0 = 0;
  *(uint64_t*)0x20009fb8 = 0x2000a000;
  *(uint64_t*)0x20009fc0 = 0x20003000;
  syscall(__NR_ioctl, r[0], 0xc0306201, 0x2000afd0);
  *(uint64_t*)0x20376000 = 8;
  *(uint64_t*)0x20376008 = 0;
  *(uint64_t*)0x20376010 = 0x20232ff8;
  *(uint64_t*)0x20376018 = 0;
  *(uint64_t*)0x20376020 = 0;
  *(uint64_t*)0x20376028 = 0x20cdc000;
  *(uint32_t*)0x20232ff8 = 0x40046307;
  *(uint32_t*)0x20232ffc = 0;
  syscall(__NR_ioctl, r[0], 0xc0306201, 0x20376000);
}

int main()
{
  for (;;) {
    loop();
  }
}