// 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[94];
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_setsockopt, 0xfffffffffffffffful, 0x1ul, 0x0ul,
                   0x0ul, 0x0ul);
    break;
  case 2:
    *(uint32_t*)0x20001000 = (uint32_t)0x10000;
    *(uint32_t*)0x20001004 = (uint32_t)0xc000800000000001;
    *(uint32_t*)0x20001008 = (uint32_t)0x10000;
    *(uint32_t*)0x2000100c = (uint32_t)0x1;
    r[6] = syscall(__NR_setsockopt, 0xfffffffffffffffful, 0x84ul, 0x0ul,
                   0x20001000ul, 0x10ul);
    break;
  case 3:
    r[7] = syscall(__NR_socketpair, 0xaul, 0xbul, 0x80000000ul,
                   0x2054e000ul);
    if (r[7] != -1)
      r[8] = *(uint32_t*)0x2054e004;
    break;
  case 4:
    *(uint32_t*)0x202f4f74 = (uint32_t)0x0;
    *(uint16_t*)0x202f4f78 = (uint16_t)0xa;
    *(uint16_t*)0x202f4f7a = (uint16_t)0x204e;
    *(uint32_t*)0x202f4f7c = (uint32_t)0x6;
    *(uint8_t*)0x202f4f80 = (uint8_t)0xfe;
    *(uint8_t*)0x202f4f81 = (uint8_t)0x80;
    *(uint8_t*)0x202f4f82 = (uint8_t)0x0;
    *(uint8_t*)0x202f4f83 = (uint8_t)0x0;
    *(uint8_t*)0x202f4f84 = (uint8_t)0x0;
    *(uint8_t*)0x202f4f85 = (uint8_t)0x0;
    *(uint8_t*)0x202f4f86 = (uint8_t)0x0;
    *(uint8_t*)0x202f4f87 = (uint8_t)0x0;
    *(uint8_t*)0x202f4f88 = (uint8_t)0x0;
    *(uint8_t*)0x202f4f89 = (uint8_t)0x0;
    *(uint8_t*)0x202f4f8a = (uint8_t)0x0;
    *(uint8_t*)0x202f4f8b = (uint8_t)0x0;
    *(uint8_t*)0x202f4f8c = (uint8_t)0x0;
    *(uint8_t*)0x202f4f8d = (uint8_t)0x0;
    *(uint8_t*)0x202f4f8e = (uint8_t)0x0;
    *(uint8_t*)0x202f4f8f = (uint8_t)0xaa;
    *(uint32_t*)0x202f4f90 = (uint32_t)0xfffffffffffffffa;
    *(uint64_t*)0x202f4f98 = (uint64_t)0x0;
    *(uint64_t*)0x202f4fa0 = (uint64_t)0x0;
    *(uint64_t*)0x202f4fa8 = (uint64_t)0x0;
    *(uint64_t*)0x202f4fb0 = (uint64_t)0x0;
    *(uint64_t*)0x202f4fb8 = (uint64_t)0x0;
    *(uint64_t*)0x202f4fc0 = (uint64_t)0x0;
    *(uint64_t*)0x202f4fc8 = (uint64_t)0x0;
    *(uint64_t*)0x202f4fd0 = (uint64_t)0x0;
    *(uint64_t*)0x202f4fd8 = (uint64_t)0x0;
    *(uint64_t*)0x202f4fe0 = (uint64_t)0x0;
    *(uint64_t*)0x202f4fe8 = (uint64_t)0x0;
    *(uint64_t*)0x202f4ff0 = (uint64_t)0x0;
    *(uint32_t*)0x20082ffc = (uint32_t)0x8c;
    r[43] = syscall(__NR_getsockopt, 0xfffffffffffffffful, 0x84ul,
                    0x6ul, 0x202f4f74ul, 0x20082ffcul);
    if (r[43] != -1)
      r[44] = *(uint32_t*)0x202f4f74;
    break;
  case 5:
    *(uint32_t*)0x204f2f94 = (uint32_t)0x0;
    *(uint32_t*)0x204f2f98 = (uint32_t)0x0;
    *(uint32_t*)0x20632ffc = (uint32_t)0x8;
    r[48] = syscall(__NR_getsockopt, 0xffffffffffffff9cul, 0x84ul,
                    0x6dul, 0x204f2f94ul, 0x20632ffcul);
    if (r[48] != -1)
      r[49] = *(uint32_t*)0x204f2f94;
    break;
  case 6:
    *(uint32_t*)0x2040bf48 = r[44];
    *(uint32_t*)0x2040bf4c = (uint32_t)0x20;
    *(uint32_t*)0x2040bf50 = (uint32_t)0x3;
    *(uint16_t*)0x2040bf54 = (uint16_t)0xa1ab;
    *(uint16_t*)0x2040bf56 = (uint16_t)0x800;
    *(uint16_t*)0x2040bf58 = (uint16_t)0x101;
    *(uint16_t*)0x2040bf5a = (uint16_t)0x401;
    *(uint32_t*)0x2040bf5c = (uint32_t)0x8000;
    *(uint32_t*)0x2040bf60 = r[49];
    *(uint16_t*)0x2040bf64 = (uint16_t)0xa;
    *(uint16_t*)0x2040bf66 = (uint16_t)0x204e;
    *(uint32_t*)0x2040bf68 = (uint32_t)0x4;
    *(uint64_t*)0x2040bf6c = (uint64_t)0x0;
    *(uint64_t*)0x2040bf74 = (uint64_t)0x100000000000000;
    *(uint32_t*)0x2040bf7c = (uint32_t)0x6;
    *(uint64_t*)0x2040bf84 = (uint64_t)0x0;
    *(uint64_t*)0x2040bf8c = (uint64_t)0x0;
    *(uint64_t*)0x2040bf94 = (uint64_t)0x0;
    *(uint64_t*)0x2040bf9c = (uint64_t)0x0;
    *(uint64_t*)0x2040bfa4 = (uint64_t)0x0;
    *(uint64_t*)0x2040bfac = (uint64_t)0x0;
    *(uint64_t*)0x2040bfb4 = (uint64_t)0x0;
    *(uint64_t*)0x2040bfbc = (uint64_t)0x0;
    *(uint64_t*)0x2040bfc4 = (uint64_t)0x0;
    *(uint64_t*)0x2040bfcc = (uint64_t)0x0;
    *(uint64_t*)0x2040bfd4 = (uint64_t)0x0;
    *(uint64_t*)0x2040bfdc = (uint64_t)0x0;
    *(uint32_t*)0x2040bfec = (uint32_t)0x9;
    *(uint32_t*)0x2040bff0 = (uint32_t)0x1f;
    *(uint32_t*)0x2040bff4 = (uint32_t)0x9;
    *(uint32_t*)0x2040bff8 = (uint32_t)0x0;
    *(uint32_t*)0x2040bffc = (uint32_t)0x7ff;
    *(uint32_t*)0x20f3e000 = (uint32_t)0xb8;
    r[83] = syscall(__NR_getsockopt, r[8], 0x84ul, 0xeul, 0x2040bf48ul,
                    0x20f3e000ul);
    break;
  case 7:
    r[84] = syscall(__NR_socket, 0x11ul, 0x80003ul, 0x8ul);
    break;
  case 8:
    *(uint16_t*)0x20cdeffc = (uint16_t)0x8001;
    *(uint8_t*)0x20cdeffe = (uint8_t)0x3;
    *(uint8_t*)0x20cdefff = (uint8_t)0x1000;
    r[88] = syscall(__NR_setsockopt, r[84], 0x107ul, 0x12ul,
                    0x20cdeffcul, 0x4ul);
    break;
  case 9:
    *(uint16_t*)0x2052e000 = (uint16_t)0x0;
    *(uint8_t*)0x2052e002 = (uint8_t)0x0;
    *(uint8_t*)0x2052e003 = (uint8_t)0x0;
    r[92] = syscall(__NR_setsockopt, r[84], 0x107ul, 0x12ul,
                    0x2052e000ul, 0x4ul);
    break;
  case 10:
    r[93] = syscall(__NR_setsockopt, r[84], 0x107ul, 0x5ul,
                    0x20001000ul, 0x47eul);
    break;
  }
  return 0;
}

void test()
{
  long i;
  pthread_t th[22];

  memset(r, -1, sizeof(r));
  srand(getpid());
  for (i = 0; i < 11; i++) {
    pthread_create(&th[i], 0, thr, (void*)i);
    usleep(rand() % 10000);
  }
  for (i = 0; i < 11; i++) {
    pthread_create(&th[11 + i], 0, thr, (void*)i);
    if (rand() % 2)
      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;
}