// https://syzkaller.appspot.com/bug?id=acbdbce572deeb65f3e0e5b7705bdb8d16b1210f
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <unistd.h>

#ifndef __NR_ioctl
#define __NR_ioctl 29
#endif
#ifndef __NR_mmap
#define __NR_mmap 222
#endif
#ifndef __NR_sendmsg
#define __NR_sendmsg 211
#endif
#ifndef __NR_socket
#define __NR_socket 198
#endif
#ifndef __NR_socketpair
#define __NR_socketpair 199
#endif

#define BITMASK(bf_off, bf_len) (((1ull << (bf_len)) - 1) << (bf_off))
#define STORE_BY_BITMASK(type, htobe, addr, val, bf_off, bf_len)               \
  *(type*)(addr) =                                                             \
      htobe((htobe(*(type*)(addr)) & ~BITMASK((bf_off), (bf_len))) |           \
            (((type)(val) << (bf_off)) & BITMASK((bf_off), (bf_len))))

uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0x0};

int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=*/7ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  intptr_t res = 0;
  res = syscall(__NR_socket, /*domain=*/0x10ul, /*type=*/3ul, /*proto=*/0);
  if (res != -1)
    r[0] = res;
  res = syscall(__NR_socketpair, /*domain=*/1ul, /*type=*/1ul, /*proto=*/0,
                /*fds=*/0x20000080ul);
  if (res != -1)
    r[1] = *(uint32_t*)0x20000084;
  memcpy((void*)0x20000000,
         "lo\000\000\000\000\000\000\000\000\000\000\000\000\000\000", 16);
  res = syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0x8933, /*arg=*/0x20000000ul);
  if (res != -1)
    r[2] = *(uint32_t*)0x20000010;
  *(uint64_t*)0x20000040 = 0;
  *(uint32_t*)0x20000048 = 0;
  *(uint64_t*)0x20000050 = 0x20000780;
  *(uint64_t*)0x20000780 = 0x20000240;
  *(uint32_t*)0x20000240 = 0x58;
  *(uint16_t*)0x20000244 = 0x24;
  *(uint16_t*)0x20000246 = 0xf0b;
  *(uint32_t*)0x20000248 = 0;
  *(uint32_t*)0x2000024c = 0;
  *(uint8_t*)0x20000250 = 0x60;
  *(uint8_t*)0x20000251 = 0;
  *(uint16_t*)0x20000252 = 0;
  *(uint32_t*)0x20000254 = r[2];
  *(uint16_t*)0x20000258 = 0;
  *(uint16_t*)0x2000025a = 0;
  *(uint16_t*)0x2000025c = -1;
  *(uint16_t*)0x2000025e = -1;
  *(uint16_t*)0x20000260 = 0;
  *(uint16_t*)0x20000262 = 0;
  *(uint16_t*)0x20000264 = 0xa;
  *(uint16_t*)0x20000266 = 1;
  memcpy((void*)0x20000268, "netem\000", 6);
  *(uint16_t*)0x20000270 = 0x28;
  *(uint16_t*)0x20000272 = 2;
  *(uint32_t*)0x20000274 = 0;
  *(uint32_t*)0x20000278 = 0;
  *(uint32_t*)0x2000027c = 0;
  *(uint32_t*)0x20000280 = 0;
  *(uint32_t*)0x20000284 = 0;
  *(uint32_t*)0x20000288 = 0;
  *(uint16_t*)0x2000028c = 4;
  STORE_BY_BITMASK(uint16_t, , 0x2000028e, 0xd, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x2000028f, 0, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x2000028f, 1, 7, 1);
  *(uint16_t*)0x20000290 = 6;
  *(uint16_t*)0x20000292 = 2;
  memcpy((void*)0x20000294, "\x99\x13", 2);
  *(uint64_t*)0x20000788 = 0x58;
  *(uint64_t*)0x20000058 = 1;
  *(uint64_t*)0x20000060 = 0;
  *(uint64_t*)0x20000068 = 0;
  *(uint32_t*)0x20000070 = 0;
  syscall(__NR_sendmsg, /*fd=*/r[0], /*msg=*/0x20000040ul, /*f=*/0ul);
  return 0;
}