// https://syzkaller.appspot.com/bug?id=479d6cbadd1e0f9effe7ffaaf3ce63cc14459988
// autogenerated by syzkaller (http://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <errno.h>
#include <pthread.h>
#include <signal.h>
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/prctl.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

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

__attribute__((noreturn)) static void doexit(int status)
{
  volatile unsigned i;
  syscall(__NR_exit_group, status);
  for (i = 0;; i++) {
  }
}

__attribute__((noreturn)) static void fail(const char* msg, ...)
{
  int e = errno;
  fflush(stdout);
  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);
}

__attribute__((noreturn)) static void exitf(const char* msg, ...)
{
  int e = errno;
  fflush(stdout);
  va_list args;
  va_start(args, msg);
  vfprintf(stderr, msg, args);
  va_end(args);
  fprintf(stderr, " (errno %d)\n", e);
  doexit(kRetryStatus);
}

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 void test();

void loop()
{
  int iter;
  for (iter = 0;; iter++) {
    int pid = fork();
    if (pid < 0)
      fail("clone 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[59];
void* thr(void* arg)
{
  switch ((long)arg) {
  case 0:
    r[0] = syscall(__NR_mmap, 0x20000000ul, 0xfff000ul, 0x3ul, 0x32ul,
                   0xfffffffffffffffful, 0x0ul);
    break;
  case 1:
    r[1] = syscall(__NR_ioctl, 0xfffffffffffffffful, 0xae44ul, 0x0ul);
    break;
  case 2:
    *(uint32_t*)0x2001d000 = (uint32_t)0x2;
    *(uint32_t*)0x2001d004 = (uint32_t)0x78;
    *(uint8_t*)0x2001d008 = (uint8_t)0xdc;
    *(uint8_t*)0x2001d009 = (uint8_t)0x0;
    *(uint8_t*)0x2001d00a = (uint8_t)0x0;
    *(uint8_t*)0x2001d00b = (uint8_t)0x0;
    *(uint32_t*)0x2001d00c = (uint32_t)0x0;
    *(uint64_t*)0x2001d010 = (uint64_t)0x0;
    *(uint64_t*)0x2001d018 = (uint64_t)0x0;
    *(uint64_t*)0x2001d020 = (uint64_t)0x0;
    *(uint8_t*)0x2001d028 = (uint8_t)0xfe;
    *(uint8_t*)0x2001d029 = (uint8_t)0x0;
    *(uint8_t*)0x2001d02a = (uint8_t)0x0;
    *(uint8_t*)0x2001d02b = (uint8_t)0x0;
    *(uint32_t*)0x2001d02c = (uint32_t)0x0;
    *(uint32_t*)0x2001d030 = (uint32_t)0x0;
    *(uint32_t*)0x2001d034 = (uint32_t)0x0;
    *(uint64_t*)0x2001d038 = (uint64_t)0x0;
    *(uint64_t*)0x2001d040 = (uint64_t)0x0;
    *(uint64_t*)0x2001d048 = (uint64_t)0x0;
    *(uint64_t*)0x2001d050 = (uint64_t)0x0;
    *(uint64_t*)0x2001d058 = (uint64_t)0x0;
    *(uint32_t*)0x2001d060 = (uint32_t)0x0;
    *(uint64_t*)0x2001d068 = (uint64_t)0x0;
    *(uint32_t*)0x2001d070 = (uint32_t)0x0;
    *(uint16_t*)0x2001d074 = (uint16_t)0x0;
    *(uint16_t*)0x2001d076 = (uint16_t)0x0;
    r[29] = syscall(__NR_perf_event_open, 0x2001d000ul, 0x0ul,
                    0xfffffffffffffffful, 0xfffffffffffffffful, 0x0ul);
    break;
  case 3:
    r[30] =
        syscall(__NR_keyctl, 0xcul, 0x0ul, 0x205df000ul, 0x0ul, 0x0ul);
    break;
  case 4:
    *(uint32_t*)0x200dd000 = (uint32_t)0x0;
    *(uint32_t*)0x200dd004 = (uint32_t)0x5b75eadf;
    *(uint32_t*)0x200dd008 = (uint32_t)0xffffffff;
    *(uint32_t*)0x200dd00c = (uint32_t)0x4;
    *(uint32_t*)0x200dd010 = (uint32_t)0x20;
    r[36] = syscall(__NR_ioctl, 0xfffffffffffffffful, 0x4040ae72ul,
                    0x200dd000ul);
    break;
  case 5:
    *(uint32_t*)0x209cbff0 = (uint32_t)0x10000;
    *(uint32_t*)0x209cbff4 = (uint32_t)0xc000800000000001;
    *(uint32_t*)0x209cbff8 = (uint32_t)0x10000;
    *(uint32_t*)0x209cbffc = (uint32_t)0x1;
    r[41] = syscall(__NR_setsockopt, 0xfffffffffffffffful, 0x84ul,
                    0x0ul, 0x209cbff0ul, 0x10ul);
    break;
  case 6:
    *(uint32_t*)0x2075bff0 = (uint32_t)0x400;
    *(uint32_t*)0x2075bff4 = (uint32_t)0x3;
    *(uint32_t*)0x2075bff8 = (uint32_t)0x3;
    *(uint16_t*)0x2075bffc = (uint16_t)0x20;
    r[46] = syscall(__NR_setsockopt, 0xfffffffffffffffful, 0x0ul, 0x2ul,
                    0x2075bff0ul, 0x10ul);
    break;
  case 7:
    *(uint64_t*)0x2037e000 = (uint64_t)0x20404000;
    *(uint64_t*)0x2037e008 = (uint64_t)0x2000;
    r[49] = syscall(__NR_ioctl, 0xfffffffffffffffful, 0x8010aa02ul,
                    0x2037e000ul);
    break;
  case 8:
    r[50] = syscall(__NR_socket, 0x11ul, 0x80003ul, 0x8ul);
    break;
  case 9:
    *(uint32_t*)0x20565ffc = (uint32_t)0x4;
    r[52] = syscall(__NR_getsockopt, r[50], 0x101ul, 0x6ul,
                    0x20fa8ffcul, 0x20565ffcul);
    break;
  case 10:
    r[53] = syscall(__NR_mmap, 0x20e9c000ul, 0x2000ul,
                    0xb4ff205ab72b7293ul, 0x4010ul, r[29], 0x0ul);
    break;
  case 11:
    *(uint16_t*)0x20cdeffc = (uint16_t)0x0;
    *(uint8_t*)0x20cdeffe = (uint8_t)0x0;
    *(uint8_t*)0x20cdefff = (uint8_t)0x0;
    r[57] = syscall(__NR_setsockopt, r[50], 0x107ul, 0x12ul,
                    0x20cdeffcul, 0x4ul);
    break;
  case 12:
    r[58] = syscall(__NR_setsockopt, r[50], 0x107ul, 0x5ul,
                    0x20001000ul, 0x47eul);
    break;
  }
  return 0;
}

void test()
{
  long i;
  pthread_t th[26];

  memset(r, -1, sizeof(r));
  for (i = 0; i < 13; i++) {
    pthread_create(&th[i], 0, thr, (void*)i);
    usleep(rand() % 10000);
  }
  usleep(rand() % 100000);
}

int main()
{
  int i;
  for (i = 0; i < 8; i++) {
    if (fork() == 0) {
      loop();
      return 0;
    }
  }
  sleep(1000000);
  return 0;
}