// https://syzkaller.appspot.com/bug?id=f9c94b10e49ae0433f27c4838c7e0f0a321606f5
// autogenerated by syzkaller (http://github.com/google/syzkaller)

#define _GNU_SOURCE
#include <endian.h>
#include <stdint.h>
#include <string.h>
#include <sys/syscall.h>
#include <unistd.h>

#define BITMASK_LEN(type, bf_len) (type)((1ull << (bf_len)) - 1)

#define BITMASK_LEN_OFF(type, bf_off, bf_len)                                  \
  (type)(BITMASK_LEN(type, (bf_len)) << (bf_off))

#define STORE_BY_BITMASK(type, addr, val, bf_off, bf_len)                      \
  if ((bf_off) == 0 && (bf_len) == 0) {                                        \
    *(type*)(addr) = (type)(val);                                              \
  } else {                                                                     \
    type new_val = *(type*)(addr);                                             \
    new_val &= ~BITMASK_LEN_OFF(type, (bf_off), (bf_len));                     \
    new_val |= ((type)(val)&BITMASK_LEN(type, (bf_len))) << (bf_off);          \
    *(type*)(addr) = new_val;                                                  \
  }

struct csum_inet {
  uint32_t acc;
};

static void csum_inet_init(struct csum_inet* csum)
{
  csum->acc = 0;
}

static void csum_inet_update(struct csum_inet* csum, const uint8_t* data,
                             size_t length)
{
  if (length == 0)
    return;

  size_t i;
  for (i = 0; i < length - 1; i += 2)
    csum->acc += *(uint16_t*)&data[i];

  if (length & 1)
    csum->acc += (uint16_t)data[length - 1];

  while (csum->acc > 0xffff)
    csum->acc = (csum->acc & 0xffff) + (csum->acc >> 16);
}

static uint16_t csum_inet_digest(struct csum_inet* csum)
{
  return ~csum->acc;
}

uint64_t r[4] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff,
                 0xffffffffffffffff};
void loop()
{
  long res = 0;
  res = syscall(__NR_socket, 0x10, 3, 6);
  if (res != -1)
    r[0] = res;
  *(uint64_t*)0x2014dfc8 = 0x2059cff4;
  *(uint16_t*)0x2059cff4 = 0x10;
  *(uint16_t*)0x2059cff6 = 0;
  *(uint32_t*)0x2059cff8 = 0;
  *(uint32_t*)0x2059cffc = 0;
  *(uint32_t*)0x2014dfd0 = 0xc;
  *(uint64_t*)0x2014dfd8 = 0x20f9bff0;
  *(uint64_t*)0x20f9bff0 = 0x20e45000;
  *(uint32_t*)0x20e45000 = 0xb8;
  *(uint16_t*)0x20e45004 = 0x19;
  *(uint16_t*)0x20e45006 = 0x401;
  *(uint32_t*)0x20e45008 = 0;
  *(uint32_t*)0x20e4500c = 0;
  *(uint32_t*)0x20e45010 = htobe32(-1);
  *(uint8_t*)0x20e45020 = 0xac;
  *(uint8_t*)0x20e45021 = 0x14;
  *(uint8_t*)0x20e45022 = 0;
  *(uint8_t*)0x20e45023 = 0;
  *(uint16_t*)0x20e45030 = htobe16(0);
  *(uint16_t*)0x20e45032 = htobe16(0);
  *(uint16_t*)0x20e45034 = htobe16(0);
  *(uint16_t*)0x20e45036 = htobe16(0);
  *(uint16_t*)0x20e45038 = 0xa;
  *(uint8_t*)0x20e4503a = 0;
  *(uint8_t*)0x20e4503b = 0;
  *(uint8_t*)0x20e4503c = 0;
  *(uint32_t*)0x20e45040 = 0;
  *(uint32_t*)0x20e45044 = 0;
  *(uint64_t*)0x20e45048 = 0;
  *(uint64_t*)0x20e45050 = 0;
  *(uint64_t*)0x20e45058 = 0;
  *(uint64_t*)0x20e45060 = 0;
  *(uint64_t*)0x20e45068 = 0;
  *(uint64_t*)0x20e45070 = 0;
  *(uint64_t*)0x20e45078 = 0;
  *(uint64_t*)0x20e45080 = 0;
  *(uint64_t*)0x20e45088 = 0;
  *(uint64_t*)0x20e45090 = 0;
  *(uint64_t*)0x20e45098 = 0;
  *(uint64_t*)0x20e450a0 = 0;
  *(uint32_t*)0x20e450a8 = 0;
  *(uint32_t*)0x20e450ac = 0;
  *(uint8_t*)0x20e450b0 = 0;
  *(uint8_t*)0x20e450b1 = 0;
  *(uint8_t*)0x20e450b2 = 0;
  *(uint8_t*)0x20e450b3 = 0;
  *(uint64_t*)0x20f9bff8 = 0xb8;
  *(uint64_t*)0x2014dfe0 = 1;
  *(uint64_t*)0x2014dfe8 = 0;
  *(uint64_t*)0x2014dff0 = 0;
  *(uint32_t*)0x2014dff8 = 0;
  syscall(__NR_sendmsg, r[0], 0x2014dfc8, 0);
  *(uint8_t*)0x20000080 = 0xaa;
  *(uint8_t*)0x20000081 = 0xaa;
  *(uint8_t*)0x20000082 = 0xaa;
  *(uint8_t*)0x20000083 = 0xaa;
  *(uint8_t*)0x20000084 = 0xaa;
  *(uint8_t*)0x20000085 = 0xaa;
  *(uint8_t*)0x20000086 = 0xaa;
  *(uint8_t*)0x20000087 = 0xaa;
  *(uint8_t*)0x20000088 = 0xaa;
  *(uint8_t*)0x20000089 = 0xaa;
  *(uint8_t*)0x2000008a = 0xaa;
  *(uint8_t*)0x2000008b = 0;
  *(uint16_t*)0x2000008c = htobe16(0x800);
  STORE_BY_BITMASK(uint8_t, 0x2000008e, 5, 0, 4);
  STORE_BY_BITMASK(uint8_t, 0x2000008e, 4, 4, 4);
  STORE_BY_BITMASK(uint8_t, 0x2000008f, 0, 0, 2);
  STORE_BY_BITMASK(uint8_t, 0x2000008f, 0, 2, 6);
  *(uint16_t*)0x20000090 = htobe16(0x58);
  *(uint16_t*)0x20000092 = htobe16(0);
  *(uint16_t*)0x20000094 = htobe16(0);
  *(uint8_t*)0x20000096 = 0;
  *(uint8_t*)0x20000097 = 0x29;
  *(uint16_t*)0x20000098 = 0;
  *(uint32_t*)0x2000009a = htobe32(0x23);
  *(uint32_t*)0x2000009e = htobe32(-1);
  STORE_BY_BITMASK(uint16_t, 0x200000a2, 0, 0, 1);
  STORE_BY_BITMASK(uint16_t, 0x200000a2, 0, 1, 1);
  STORE_BY_BITMASK(uint16_t, 0x200000a2, 1, 2, 1);
  STORE_BY_BITMASK(uint16_t, 0x200000a2, 0, 3, 1);
  STORE_BY_BITMASK(uint16_t, 0x200000a2, 0, 4, 4);
  STORE_BY_BITMASK(uint16_t, 0x200000a2, 0, 8, 1);
  STORE_BY_BITMASK(uint16_t, 0x200000a2, 0, 9, 4);
  STORE_BY_BITMASK(uint16_t, 0x200000a2, 1, 13, 3);
  *(uint16_t*)0x200000a4 = htobe16(0x880b);
  *(uint16_t*)0x200000a6 = htobe16(0);
  *(uint16_t*)0x200000a8 = htobe16(0);
  STORE_BY_BITMASK(uint16_t, 0x200000aa, 0, 0, 1);
  STORE_BY_BITMASK(uint16_t, 0x200000aa, 0, 1, 1);
  STORE_BY_BITMASK(uint16_t, 0x200000aa, 0, 2, 1);
  STORE_BY_BITMASK(uint16_t, 0x200000aa, 0, 3, 1);
  STORE_BY_BITMASK(uint16_t, 0x200000aa, 0, 4, 9);
  STORE_BY_BITMASK(uint16_t, 0x200000aa, 0, 13, 3);
  *(uint16_t*)0x200000ac = htobe16(0x800);
  STORE_BY_BITMASK(uint16_t, 0x200000ae, 0, 0, 1);
  STORE_BY_BITMASK(uint16_t, 0x200000ae, 0, 1, 1);
  STORE_BY_BITMASK(uint16_t, 0x200000ae, 0, 2, 1);
  STORE_BY_BITMASK(uint16_t, 0x200000ae, 0, 3, 1);
  STORE_BY_BITMASK(uint16_t, 0x200000ae, 0, 4, 9);
  STORE_BY_BITMASK(uint16_t, 0x200000ae, 0, 13, 3);
  *(uint16_t*)0x200000b0 = htobe16(0x86dd);
  *(uint16_t*)0x200000b2 = 0;
  *(uint16_t*)0x200000b4 = htobe16(0);
  *(uint32_t*)0x200000b6 = htobe32(0);
  STORE_BY_BITMASK(uint8_t, 0x200000ba, 0, 0, 4);
  STORE_BY_BITMASK(uint8_t, 0x200000ba, 0, 4, 4);
  *(uint8_t*)0x200000bb = 0;
  STORE_BY_BITMASK(uint8_t, 0x200000bc, 0, 0, 2);
  STORE_BY_BITMASK(uint8_t, 0x200000bc, 0, 2, 1);
  STORE_BY_BITMASK(uint8_t, 0x200000bc, 0, 3, 2);
  STORE_BY_BITMASK(uint8_t, 0x200000bc, 0, 5, 3);
  *(uint8_t*)0x200000bd = 0;
  *(uint32_t*)0x200000be = 0;
  *(uint32_t*)0x200000c2 = htobe32(0);
  *(uint16_t*)0x200000c6 = 0;
  *(uint16_t*)0x200000c8 = htobe16(0);
  *(uint32_t*)0x200000ca = htobe32(0);
  STORE_BY_BITMASK(uint8_t, 0x200000ce, 0, 0, 4);
  STORE_BY_BITMASK(uint8_t, 0x200000ce, 0, 4, 4);
  *(uint8_t*)0x200000cf = 0;
  STORE_BY_BITMASK(uint8_t, 0x200000d0, 0, 0, 2);
  STORE_BY_BITMASK(uint8_t, 0x200000d0, 0, 2, 1);
  STORE_BY_BITMASK(uint8_t, 0x200000d0, 0, 3, 2);
  STORE_BY_BITMASK(uint8_t, 0x200000d0, 0, 5, 3);
  *(uint8_t*)0x200000d1 = 0;
  *(uint32_t*)0x200000d2 = 0;
  *(uint32_t*)0x200000d6 = htobe32(0);
  *(uint16_t*)0x200000da = htobe16(0);
  STORE_BY_BITMASK(uint8_t, 0x200000dc, 0, 0, 2);
  STORE_BY_BITMASK(uint8_t, 0x200000dc, 0, 2, 5);
  STORE_BY_BITMASK(uint8_t, 0x200000dc, 0, 7, 1);
  STORE_BY_BITMASK(uint8_t, 0x200000dd, 0, 0, 1);
  STORE_BY_BITMASK(uint8_t, 0x200000dd, 0, 1, 2);
  STORE_BY_BITMASK(uint8_t, 0x200000dd, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, 0x200000dd, 0, 4, 1);
  *(uint16_t*)0x200000de = 0;
  *(uint16_t*)0x200000e0 = htobe16(0);
  *(uint32_t*)0x200000e2 = htobe32(0);
  struct csum_inet csum_1;
  csum_inet_init(&csum_1);
  csum_inet_update(&csum_1, (const uint8_t*)0x2000008e, 20);
  *(uint16_t*)0x20000098 = csum_inet_digest(&csum_1);
  res = syscall(__NR_socket, 0xa, 0x80002, 0x88);
  if (res != -1)
    r[1] = res;
  *(uint16_t*)0x20000040 = 0xa;
  *(uint16_t*)0x20000042 = htobe16(0x4e23);
  *(uint32_t*)0x20000044 = 0;
  *(uint8_t*)0x20000048 = 0;
  *(uint8_t*)0x20000049 = 0;
  *(uint8_t*)0x2000004a = 0;
  *(uint8_t*)0x2000004b = 0;
  *(uint8_t*)0x2000004c = 0;
  *(uint8_t*)0x2000004d = 0;
  *(uint8_t*)0x2000004e = 0;
  *(uint8_t*)0x2000004f = 0;
  *(uint8_t*)0x20000050 = 0;
  *(uint8_t*)0x20000051 = 0;
  *(uint8_t*)0x20000052 = 0;
  *(uint8_t*)0x20000053 = 0;
  *(uint8_t*)0x20000054 = 0;
  *(uint8_t*)0x20000055 = 0;
  *(uint8_t*)0x20000056 = 0;
  *(uint8_t*)0x20000057 = 0;
  *(uint32_t*)0x20000058 = 0;
  syscall(__NR_bind, r[1], 0x20000040, 0x1c);
  res = syscall(__NR_socket, 0xa, 0x8000000000000802, 0);
  if (res != -1)
    r[2] = res;
  res = syscall(__NR_dup2, r[1], r[2]);
  if (res != -1)
    r[3] = res;
  *(uint64_t*)0x20000000 = 0x205dafe4;
  *(uint16_t*)0x205dafe4 = 0xa;
  *(uint16_t*)0x205dafe6 = htobe16(0x4e23);
  *(uint32_t*)0x205dafe8 = 0;
  *(uint8_t*)0x205dafec = -1;
  *(uint8_t*)0x205dafed = 2;
  *(uint8_t*)0x205dafee = 0;
  *(uint8_t*)0x205dafef = 0;
  *(uint8_t*)0x205daff0 = 0;
  *(uint8_t*)0x205daff1 = 0;
  *(uint8_t*)0x205daff2 = 0;
  *(uint8_t*)0x205daff3 = 0;
  *(uint8_t*)0x205daff4 = 0;
  *(uint8_t*)0x205daff5 = 0;
  *(uint8_t*)0x205daff6 = 0;
  *(uint8_t*)0x205daff7 = 0;
  *(uint8_t*)0x205daff8 = 0;
  *(uint8_t*)0x205daff9 = 0;
  *(uint8_t*)0x205daffa = 0;
  *(uint8_t*)0x205daffb = 1;
  *(uint32_t*)0x205daffc = 0;
  *(uint32_t*)0x20000008 = 0x1c;
  *(uint64_t*)0x20000010 = 0x20fc8000;
  *(uint64_t*)0x20000018 = 0;
  *(uint64_t*)0x20000020 = 0;
  *(uint64_t*)0x20000028 = 0;
  *(uint32_t*)0x20000030 = 0;
  syscall(__NR_sendmsg, r[3], 0x20000000, 0x8000);
  *(uint64_t*)0x20000080 = 0;
  syscall(__NR_write, r[2], 0x20000080, 8);
}

int main()
{
  syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
  loop();
  return 0;
}