// https://syzkaller.appspot.com/bug?id=08acfb3ecee71b9442e8275dde26607f2ad7c6a1
// 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/mount.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <unistd.h>

uint64_t r[2] = {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$pppl2tp arguments: [
  //    domain: const = 0x18 (8 bytes)
  //    type: const = 0x1 (8 bytes)
  //    proto: const = 0x1 (4 bytes)
  //  ]
  //  returns sock_pppl2tp
  res = syscall(__NR_socket, /*domain=*/0x18ul, /*type=*/1ul, /*proto=*/1);
  if (res != -1)
    r[0] = res;
  //  socket$inet6_udp arguments: [
  //    domain: const = 0xa (8 bytes)
  //    type: const = 0x2 (8 bytes)
  //    proto: const = 0x0 (4 bytes)
  //  ]
  //  returns sock_udp6
  res = syscall(__NR_socket, /*domain=*/0xaul, /*type=*/2ul, /*proto=*/0);
  if (res != -1)
    r[1] = res;
  //  connect$pppl2tp arguments: [
  //    fd: sock_pppl2tp (resource)
  //    addr: ptr[in, sockaddr_pppl2tp] {
  //      union sockaddr_pppl2tp {
  //        pppol2tpin6: sockaddr_pppl2tp_t[pppol2tpin6_addr] {
  //          sa_family: const = 0x18 (2 bytes)
  //          sa_protocol: const = 0x1 (4 bytes)
  //          addr: pppol2tpin6_addr_t[int16] {
  //            pid: const = 0x0 (4 bytes)
  //            fd: sock (resource)
  //            s_tunnel: int16 = 0x4 (2 bytes)
  //            s_session: int16 = 0x0 (2 bytes)
  //            d_tunnel: int16 = 0x0 (2 bytes)
  //            d_session: int16 = 0x0 (2 bytes)
  //            addr: sockaddr_in6 {
  //              family: const = 0xa (2 bytes)
  //              port: int16be = 0x4e22 (2 bytes)
  //              flow: int32be = 0xffff (4 bytes)
  //              addr: union ipv6_addr {
  //                ipv4: ipv6_addr_ipv4 {
  //                  a0: buffer: {00 00 00 00 00 00 00 00 00 00} (length 0xa)
  //                  a1: buffer: {ff ff} (length 0x2)
  //                  a3: union ipv4_addr {
  //                    empty: const = 0x0 (4 bytes)
  //                  }
  //                }
  //              }
  //              scope: int32 = 0x0 (4 bytes)
  //            }
  //          }
  //        }
  //      }
  //    }
  //    addrlen: len = 0x32 (8 bytes)
  //  ]
  *(uint16_t*)0x200000000240 = 0x18;
  *(uint32_t*)0x200000000242 = 1;
  *(uint32_t*)0x200000000246 = 0;
  *(uint32_t*)0x20000000024a = r[1];
  *(uint16_t*)0x20000000024e = 4;
  *(uint16_t*)0x200000000250 = 0;
  *(uint16_t*)0x200000000252 = 0;
  *(uint16_t*)0x200000000254 = 0;
  *(uint16_t*)0x200000000256 = 0xa;
  *(uint16_t*)0x200000000258 = htobe16(0x4e22);
  *(uint32_t*)0x20000000025a = htobe32(0xffff);
  memset((void*)0x20000000025e, 0, 10);
  memset((void*)0x200000000268, 255, 2);
  *(uint32_t*)0x20000000026a = htobe32(0);
  *(uint32_t*)0x20000000026e = 0;
  syscall(__NR_connect, /*fd=*/r[0], /*addr=*/0x200000000240ul,
          /*addrlen=*/0x32ul);
  //  ioctl$PPPIOCSFLAGS arguments: [
  //    fd: sock_pppox (resource)
  //    cmd: const = 0x40047459 (4 bytes)
  //    arg: nil
  //  ]
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x40047459, /*arg=*/0ul);
  return 0;
}