// https://syzkaller.appspot.com/bug?id=b23d95999136f86da560efe4adcfef2381a3b584
// autogenerated by syzkaller (http://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <fcntl.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <unistd.h>

#include <stdint.h>
#include <string.h>

static uintptr_t syz_open_procfs(uintptr_t a0, uintptr_t a1)
{

  char buf[128];
  memset(buf, 0, sizeof(buf));
  if (a0 == 0) {
    snprintf(buf, sizeof(buf), "/proc/self/%s", (char*)a1);
  } else if (a0 == (uintptr_t)-1) {
    snprintf(buf, sizeof(buf), "/proc/thread-self/%s", (char*)a1);
  } else {
    snprintf(buf, sizeof(buf), "/proc/self/task/%d/%s", (int)a0,
             (char*)a1);
  }
  int fd = open(buf, O_RDWR);
  if (fd == -1)
    fd = open(buf, O_RDONLY);
  return fd;
}

static void test();

void loop()
{
  while (1) {
    test();
  }
}

long r[46];
void* thr(void* arg)
{
  switch ((long)arg) {
  case 0:
    r[0] = syscall(__NR_mmap, 0x20000000ul, 0xfff000ul, 0x3ul, 0x32ul,
                   0xfffffffffffffffful, 0x0ul);
    break;
  case 1:
    memcpy((void*)0x20bb8000, "\x6e\x65\x74\x2f\x69\x70\x36\x5f\x6d\x72"
                              "\x5f\x63\x61\x63\x68\x65\x00",
           17);
    r[2] = syz_open_procfs(0x0ul, 0x20bb8000ul);
    break;
  case 2:
    r[3] = syscall(__NR_pread64, r[2], 0x20caef7bul, 0x0ul, 0x4cul);
    break;
  case 3:
    *(uint64_t*)0x20917fb0 = (uint64_t)0x20131f47;
    *(uint64_t*)0x20917fb8 = (uint64_t)0x6;
    *(uint64_t*)0x20917fc0 = (uint64_t)0x20a87f2b;
    *(uint64_t*)0x20917fc8 = (uint64_t)0x62;
    r[8] = syscall(__NR_readv, r[2], 0x20917fb0ul, 0x2ul);
    break;
  case 4:
    r[9] = syscall(__NR_socket, 0xaul, 0x10000000002ul, 0x0ul);
    break;
  case 5:
    *(uint16_t*)0x20b82000 = (uint16_t)0xa;
    *(uint16_t*)0x20b82002 = (uint16_t)0x214e;
    *(uint32_t*)0x20b82004 = (uint32_t)0x4;
    *(uint64_t*)0x20b82008 = (uint64_t)0x0;
    *(uint64_t*)0x20b82010 = (uint64_t)0x100000000000000;
    *(uint32_t*)0x20b82018 = (uint32_t)0x83;
    *(uint16_t*)0x20b8201c = (uint16_t)0xa;
    *(uint16_t*)0x20b8201e = (uint16_t)0x234e;
    *(uint32_t*)0x20b82020 = (uint32_t)0xfffffffffffff000;
    *(uint8_t*)0x20b82024 = (uint8_t)0x0;
    *(uint8_t*)0x20b82025 = (uint8_t)0x0;
    *(uint8_t*)0x20b82026 = (uint8_t)0x0;
    *(uint8_t*)0x20b82027 = (uint8_t)0x0;
    *(uint8_t*)0x20b82028 = (uint8_t)0x0;
    *(uint8_t*)0x20b82029 = (uint8_t)0x0;
    *(uint8_t*)0x20b8202a = (uint8_t)0x0;
    *(uint8_t*)0x20b8202b = (uint8_t)0x0;
    *(uint8_t*)0x20b8202c = (uint8_t)0x0;
    *(uint8_t*)0x20b8202d = (uint8_t)0x0;
    *(uint8_t*)0x20b8202e = (uint8_t)0x0;
    *(uint8_t*)0x20b8202f = (uint8_t)0x0;
    *(uint8_t*)0x20b82030 = (uint8_t)0x0;
    *(uint8_t*)0x20b82031 = (uint8_t)0x0;
    *(uint8_t*)0x20b82032 = (uint8_t)0x0;
    *(uint8_t*)0x20b82033 = (uint8_t)0x0;
    *(uint32_t*)0x20b82034 = (uint32_t)0x2;
    *(uint16_t*)0x20b82038 = (uint16_t)0x1;
    *(uint32_t*)0x20b8203c = (uint32_t)0x9;
    *(uint32_t*)0x20b82040 = (uint32_t)0x101;
    *(uint32_t*)0x20b82044 = (uint32_t)0x1000;
    *(uint32_t*)0x20b82048 = (uint32_t)0x0;
    *(uint32_t*)0x20b8204c = (uint32_t)0x7;
    *(uint32_t*)0x20b82050 = (uint32_t)0x7;
    *(uint32_t*)0x20b82054 = (uint32_t)0x0;
    *(uint32_t*)0x20b82058 = (uint32_t)0x7ff;
    r[45] = syscall(__NR_setsockopt, r[9], 0x29ul, 0xd2ul, 0x20b82000ul,
                    0x5cul);
    break;
  }
  return 0;
}

void test()
{
  long i;
  pthread_t th[12];

  memset(r, -1, sizeof(r));
  srand(getpid());
  for (i = 0; i < 6; i++) {
    pthread_create(&th[i], 0, thr, (void*)i);
    usleep(rand() % 10000);
  }
  for (i = 0; i < 6; i++) {
    pthread_create(&th[6 + i], 0, thr, (void*)i);
    if (rand() % 2)
      usleep(rand() % 10000);
  }
  usleep(rand() % 100000);
}

int main()
{
  loop();
  return 0;
}