// 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>

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

int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*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=*/0x200001000000ul, /*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)) {
  }
  //  socket$packet arguments: [
  //    domain: const = 0x11 (8 bytes)
  //    type: packet_socket_type = 0x3 (8 bytes)
  //    proto: const = 0x300 (4 bytes)
  //  ]
  //  returns sock_packet
  res = syscall(__NR_socket, /*domain=*/0x11ul, /*type=SOCK_RAW*/ 3ul,
                /*proto=*/0x300);
  if (res != -1)
    r[0] = res;
  //  setsockopt$packet_int arguments: [
  //    fd: sock_packet (resource)
  //    level: const = 0x107 (4 bytes)
  //    optname: packet_option_types_int = 0xf (4 bytes)
  //    optval: ptr[in, int32] {
  //      int32 = 0x2 (4 bytes)
  //    }
  //    optlen: len = 0x4 (8 bytes)
  //  ]
  *(uint32_t*)0x200000000240 = 2;
  syscall(__NR_setsockopt, /*fd=*/r[0], /*level=*/0x107,
          /*optname=PACKET_VNET_HDR*/ 0xf, /*optval=*/0x200000000240ul,
          /*optlen=*/4ul);
  //  setsockopt$packet_rx_ring arguments: [
  //    fd: sock_packet (resource)
  //    level: const = 0x107 (4 bytes)
  //    optname: const = 0x5 (4 bytes)
  //    optval: ptr[in, tpacket_req_u] {
  //      union tpacket_req_u {
  //        req3: tpacket_req3 {
  //          tp_block_size: int32 = 0x1000 (4 bytes)
  //          tp_block_nr: int32 = 0x3a (4 bytes)
  //          tp_frame_size: int32 = 0x1000 (4 bytes)
  //          tp_frame_nr: int32 = 0x3a (4 bytes)
  //          tp_retire_blk_tov: int32 = 0x0 (4 bytes)
  //          tp_sizeof_priv: int32 = 0x0 (4 bytes)
  //          tp_feature_req_word: int32 = 0x0 (4 bytes)
  //        }
  //      }
  //    }
  //    optlen: len = 0x1c (8 bytes)
  //  ]
  *(uint32_t*)0x200000000040 = 0x1000;
  *(uint32_t*)0x200000000044 = 0x3a;
  *(uint32_t*)0x200000000048 = 0x1000;
  *(uint32_t*)0x20000000004c = 0x3a;
  *(uint32_t*)0x200000000050 = 0;
  *(uint32_t*)0x200000000054 = 0;
  *(uint32_t*)0x200000000058 = 0;
  syscall(__NR_setsockopt, /*fd=*/r[0], /*level=*/0x107, /*optname=*/5,
          /*optval=*/0x200000000040ul, /*optlen=*/0x1cul);
  //  openat$tun arguments: [
  //    fd: const = 0xffffffffffffff9c (8 bytes)
  //    file: ptr[in, buffer] {
  //      buffer: {2f 64 65 76 2f 6e 65 74 2f 74 75 6e 00} (length 0xd)
  //    }
  //    flags: open_flags = 0x40241 (4 bytes)
  //    mode: const = 0x0 (2 bytes)
  //  ]
  //  returns fd_tun
  memcpy((void*)0x200000000000, "/dev/net/tun\000", 13);
  res = syscall(
      __NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x200000000000ul,
      /*flags=O_TRUNC|O_NOATIME|O_CREAT|O_WRONLY*/ 0x40241, /*mode=*/0);
  if (res != -1)
    r[1] = res;
  //  ioctl$TUNSETIFF arguments: [
  //    fd: fd_tun (resource)
  //    cmd: const = 0x400454ca (4 bytes)
  //    arg: ptr[in, ifreq_dev_t[devnames, flags[tun_setiff_flags, int16]]] {
  //      ifreq_dev_t[devnames, flags[tun_setiff_flags, int16]] {
  //        ifr_ifrn: buffer: {73 79 7a 6b 61 6c 6c 65 72 31 00 00 00 00 00 00}
  //        (length 0x10) elem: tun_setiff_flags = 0xc201 (2 bytes) pad = 0x0
  //        (22 bytes)
  //      }
  //    }
  //  ]
  memcpy((void*)0x200000000200, "syzkaller1\000\000\000\000\000\000", 16);
  *(uint16_t*)0x200000000210 = 0xc201;
  syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0x400454ca,
          /*arg=*/0x200000000200ul);
  //  socket$kcm arguments: [
  //    domain: const = 0x2 (8 bytes)
  //    type: kcm_socket_type = 0xa (8 bytes)
  //    proto: const = 0x2 (4 bytes)
  //  ]
  //  returns sock_kcm
  res = syscall(__NR_socket, /*domain=*/2ul, /*type=SOCK_DGRAM|0x8*/ 0xaul,
                /*proto=*/2);
  if (res != -1)
    r[2] = res;
  //  ioctl$SIOCSIFHWADDR arguments: [
  //    fd: fd_tun (resource)
  //    cmd: const = 0x8914 (4 bytes)
  //    arg: ptr[in, ifreq_dev_t[devnames, mac_addr]] {
  //      ifreq_dev_t[devnames, mac_addr] {
  //        ifr_ifrn: buffer: {73 79 7a 6b 61 6c 6c 65 72 31 00 00 00 00 00 00}
  //        (length 0x10) elem: union mac_addr {
  //          link_local: mac_addr_link_local {
  //            a0: const = 0x1 (1 bytes)
  //            a1: const = 0x80 (1 bytes)
  //            a2: const = 0xc2 (1 bytes)
  //            a3: const = 0x0 (1 bytes)
  //            a4: const = 0x0 (1 bytes)
  //            a5: mac_addr_link_local_values = 0x0 (1 bytes)
  //          }
  //        }
  //        pad = 0x0 (18 bytes)
  //      }
  //    }
  //  ]
  memcpy((void*)0x200000000180, "syzkaller1\000\000\000\000\000\000", 16);
  *(uint8_t*)0x200000000190 = 1;
  *(uint8_t*)0x200000000191 = 0x80;
  *(uint8_t*)0x200000000192 = 0xc2;
  *(uint8_t*)0x200000000193 = 0;
  *(uint8_t*)0x200000000194 = 0;
  *(uint8_t*)0x200000000195 = 0;
  syscall(__NR_ioctl, /*fd=*/r[2], /*cmd=*/0x8914, /*arg=*/0x200000000180ul);
  //  write$tun arguments: [
  //    fd: fd_tun (resource)
  //    buf: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //        union ANYUNION {
  //          ANYBLOB: buffer: {1c 00 08 20 02 03 00 00 14} (length 0x9)
  //        }
  //      }
  //    }
  //    count: len = 0xfb5 (8 bytes)
  //  ]
  memcpy((void*)0x200000002780, "\x1c\x00\x08\x20\x02\x03\x00\x00\x14", 9);
  syscall(__NR_write, /*fd=*/r[1], /*buf=*/0x200000002780ul, /*count=*/0xfb5ul);
  return 0;
}