// https://syzkaller.appspot.com/bug?id=a12a0d53e98be4a617f1e02e8ae91dc4a31525f8
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <ros/syscall.h>
#include <signal.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

static void kill_and_wait(int pid, int* status)
{
  kill(pid, SIGKILL);
  while (waitpid(-1, status, 0) != pid) {
  }
}

static void sleep_ms(uint64_t ms)
{
  usleep(ms * 1000);
}

static uint64_t current_time_ms(void)
{
  struct timespec ts;
  if (clock_gettime(CLOCK_MONOTONIC, &ts))
    exit(1);
  return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}

static void execute_one();
const char* program_name;

void child()
{
  execute_one();
  exit(0);
}

static void execute_one(void);

#define WAIT_FLAGS 0

static void loop(void)
{
  int iter;
  for (iter = 0;; iter++) {
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      execl(program_name, program_name, "child", NULL);
      exit(1);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      sleep_ms(1);
      if (current_time_ms() - start < 5 * 1000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

uint64_t r[1] = {0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  memcpy((void*)0x200003c0, "/net/tcp/0/err\000", 15);
  res =
      syscall(SYS_openat, 0xffffffffffffff9cul, 0x200003c0ul, 0xful, 3ul, 0ul);
  if (res != -1)
    r[0] = res;
  syscall(SYS_close, r[0]);
  memcpy((void*)0x20000400, "/prof/.empty\000", 13);
  syscall(SYS_openat, 0xffffffffffffff9cul, 0x20000400ul, 0xdul, 3ul, 0ul);
  memcpy((void*)0x20000080,
         "\xcf\x2d\xb0\x20\x8b\x86\x98\x0e\x23\x02\x1a\x6a\x72\x6a\xb9\xc8\x27"
         "\x58\xac\x70\xc2\x22\xed\x35\x8a\x30\xb0\x8f\x70\x7f\x30\xdd\x75\x39"
         "\x70\x88\x87\x7f\x95\x86\x45\x6e\xfb\x35\xa0\xcd\x21\x3b\x1e\xab\x70"
         "\x78\x93\x01\x1d\x57\x42\xb6\xea\xb7\x6f\xb9\xd8\x16\x81\xc0\xb5\xd2"
         "\x7b\x05\x53\x68\xa9\x67\x65\x7f\xa8\x55\xed\x80\xf7\xb6\x28\x45\xa9"
         "\xa1\x3c\x5e\x7e\xf3\xb7\x64\xa8\x65\x9c\xf8\x63\x14\x77\xe4\x56\x39"
         "\x4e\xce\x7e\xac\xe0\x56",
         108);
  syscall(SYS_write, r[0], 0x20000080ul, 0xfffffda9ul);
}

int main(int argc, char** argv)
{
  syscall(SYS_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul);
  program_name = argv[0];
  if (argc == 2 && strcmp(argv[1], "child") == 0)
    child();
  loop();
  return 0;
}