// 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 = 0;
  for (;; 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*)0x20000040, "/proc/self/ns\000", 14);
  res =
      syscall(SYS_openat, 0xffffffffffffff9cul, 0x20000040ul, 0xeul, 1ul, 0ul);
  if (res != -1)
    r[0] = res;
  syscall(SYS_close, r[0]);
  memcpy((void*)0x20000080, "/prof/.empty\000", 13);
  syscall(SYS_openat, 0xffffffffffffff9cul, 0x20000080ul, 0xdul, 3ul, 0ul);
  memcpy((void*)0x200000c0,
         "\xd8\x32\xcd\xd3\x38\xae\xd5\x4e\x7e\xe7\xe0\x14\xff\x22\xf3\x62\x28"
         "\xca\x32\x0d\xed\xb3\x6a\xae\xa4\xe9\x50\x6b\xe4\x90\x12\x49\xf4\xc1"
         "\xb5\xe0\x2e\x6a\x11\xbd\x40\x65\x8e\xa6\x1a\x22\xd2\x61\xc4\x80\x23"
         "\xf0\x5e\x90\x42\x02\xa9\x58\x39\xad\xaa\x4d\x62\x12\x45\xb4\xf9\xfa"
         "\xde\x02\x61\x90\x0c\x3c\x22\xfd\xfb\x5d\x43\xf8\x3f\xe7\x15\x54\x6e"
         "\x22\xf2\x64\x65\x56\x30\xba\x45\xd0\x8a\x40\x01\xe0\xa8\x35\x78\x02"
         "\xb8\xa3\x9d\x77\xd2\x6b\x25\x93\xdc\x61\x01\x43\x8f\x68\x8d\x0f\xca"
         "\xf7\x47\xa8\xe4\x2c\x0f\xa2\x4b\x19\x56\x1c\x75\x73\xb1\xae\xbd\xef"
         "\x72\x9a\x8c\x78\x03\xcc\x6b\xcd\xc0\x40\xa0\x8b\x8a\x02\x7f\x64\xa0"
         "\xb1\x76\x04\xb4\x2e\x36\x13\x4d\xe0\x7b\x17\x64\x29\xa8\x1f\x09\x4e"
         "\x57\x55",
         172);
  syscall(SYS_write, r[0], 0x200000c0ul, 0xfffffcd2ul);
}

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;
}