// https://syzkaller.appspot.com/bug?id=e63a777d887eb30935e3055bbf29b0b23d449eb6
// 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_openat
#define __NR_openat 56
#endif
#ifndef __NR_sendmsg
#define __NR_sendmsg 211
#endif
#ifndef __NR_socket
#define __NR_socket 198
#endif

uint64_t r[4] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff,
                 0x0};

int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  const char* reason;
  (void)reason;
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  memcpy((void*)0x20000100, "/dev/net/tun\000", 13);
  res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x20000100ul,
                /*flags=O_TRUNC|O_SYNC|O_NOFOLLOW|O_CLOEXEC|O_WRONLY*/ 0x189201,
                /*mode=*/0);
  if (res != -1)
    r[0] = res;
  memcpy((void*)0x20000040, "syzkaller0\000\000\000\000\000\000", 16);
  *(uint16_t*)0x20000050 = 2;
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x400454ca, /*arg=*/0x20000040ul);
  res = syscall(__NR_socket, /*domain=*/1ul, /*type=SOCK_STREAM*/ 1ul,
                /*proto=*/0);
  if (res != -1)
    r[1] = res;
  res = syscall(__NR_socket, /*domain=*/0x10ul, /*type=*/3ul, /*proto=*/0);
  if (res != -1)
    r[2] = res;
  memcpy((void*)0x20000100, "syzkaller0\000\000\000\000\000\000", 16);
  res = syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0x8933, /*arg=*/0x20000100ul);
  if (res != -1)
    r[3] = *(uint32_t*)0x20000110;
  *(uint64_t*)0x20000000 = 0;
  *(uint32_t*)0x20000008 = 0;
  *(uint64_t*)0x20000010 = 0x200001c0;
  *(uint64_t*)0x200001c0 = 0x200026c0;
  *(uint32_t*)0x200026c0 = 0x38;
  *(uint16_t*)0x200026c4 = 0x24;
  *(uint16_t*)0x200026c6 = 0x6541;
  *(uint32_t*)0x200026c8 = 0;
  *(uint32_t*)0x200026cc = 0;
  *(uint8_t*)0x200026d0 = 0;
  *(uint8_t*)0x200026d1 = 0;
  *(uint16_t*)0x200026d2 = 0;
  *(uint32_t*)0x200026d4 = r[3];
  *(uint16_t*)0x200026d8 = 0;
  *(uint16_t*)0x200026da = 0xb;
  *(uint16_t*)0x200026dc = -1;
  *(uint16_t*)0x200026de = -1;
  *(uint16_t*)0x200026e0 = 0xfff2;
  *(uint16_t*)0x200026e2 = 0;
  *(uint16_t*)0x200026e4 = 0xa;
  *(uint16_t*)0x200026e6 = 1;
  memcpy((void*)0x200026e8, "pfifo\000", 6);
  *(uint16_t*)0x200026f0 = 8;
  *(uint16_t*)0x200026f2 = 2;
  *(uint32_t*)0x200026f4 = 0x101;
  *(uint64_t*)0x200001c8 = 0x38;
  *(uint64_t*)0x20000018 = 1;
  *(uint64_t*)0x20000020 = 0;
  *(uint64_t*)0x20000028 = 0;
  *(uint32_t*)0x20000030 = 0x20000001;
  syscall(__NR_sendmsg, /*fd=*/r[2], /*msg=*/0x20000000ul, /*f=*/0ul);
  *(uint64_t*)0x20000200 = 0;
  *(uint32_t*)0x20000208 = 0;
  *(uint64_t*)0x20000210 = 0x20000140;
  *(uint64_t*)0x20000140 = 0x20000300;
  *(uint32_t*)0x20000300 = 0x34;
  *(uint16_t*)0x20000304 = 0x24;
  *(uint16_t*)0x20000306 = 0x6541;
  *(uint32_t*)0x20000308 = 0x70bd2a;
  *(uint32_t*)0x2000030c = 0x80000;
  *(uint8_t*)0x20000310 = 0;
  *(uint8_t*)0x20000311 = 0;
  *(uint16_t*)0x20000312 = 0;
  *(uint32_t*)0x20000314 = r[3];
  *(uint16_t*)0x20000318 = 0;
  *(uint16_t*)0x2000031a = 0;
  *(uint16_t*)0x2000031c = 0xffe6;
  *(uint16_t*)0x2000031e = 0xb;
  *(uint16_t*)0x20000320 = 0xffe0;
  *(uint16_t*)0x20000322 = 0xb;
  *(uint16_t*)0x20000324 = 0xa;
  *(uint16_t*)0x20000326 = 1;
  memcpy((void*)0x20000328, "codel\000", 6);
  *(uint16_t*)0x20000330 = 4;
  *(uint16_t*)0x20000332 = 2;
  *(uint64_t*)0x20000148 = 0x34;
  *(uint64_t*)0x20000218 = 1;
  *(uint64_t*)0x20000220 = 0;
  *(uint64_t*)0x20000228 = 0;
  *(uint32_t*)0x20000230 = 0x2000c061;
  syscall(__NR_sendmsg, /*fd=*/r[2], /*msg=*/0x20000200ul,
          /*f=MSG_ZEROCOPY|MSG_MORE*/ 0x4008000ul);
  return 0;
}