// https://syzkaller.appspot.com/bug?id=a1fadd4536a3818013239b93294e07e0cb643e75
// 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>

#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[4] = {0xffffffffffffffff, 0xffffffffffffffff, 0x0,
                 0xffffffffffffffff};

int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000,
          /*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=*/0x1000, /*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$nl_route arguments: [
  //    domain: const = 0x10 (8 bytes)
  //    type: const = 0x3 (8 bytes)
  //    proto: const = 0x0 (4 bytes)
  //  ]
  //  returns sock_nl_route
  res = syscall(__NR_socket, /*domain=*/0x10ul, /*type=*/3ul, /*proto=*/0);
  if (res != -1)
    r[0] = res;
  //  openat$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 = 0x2 (4 bytes)
  //    mode: const = 0x0 (2 bytes)
  //  ]
  //  returns fd_tun
  memcpy((void*)0x200000000100, "/dev/net/tun\000", 13);
  res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul,
                /*file=*/0x200000000100ul, /*flags=O_RDWR*/ 2, /*mode=*/0);
  if (res != -1)
    r[1] = res;
  //  ioctl$TUNSETIFF arguments: [
  //    fd: fd_tun (resource)
  //    cmd: const = 0x400454ca (4 bytes)
  //    arg: ptr[in, ifreq_dev_t[devnames, flags[tun_setiff_flags, int16]]] {
  //      ifreq_dev_t[devnames, flags[tun_setiff_flags, int16]] {
  //        ifr_ifrn: buffer: {73 79 7a 6b 61 6c 6c 65 72 30 00 00 00 00 00 00}
  //        (length 0x10) elem: tun_setiff_flags = 0x1 (2 bytes) pad = 0x0 (22
  //        bytes)
  //      }
  //    }
  //  ]
  memcpy((void*)0x200000000040, "syzkaller0\000\000\000\000\000\000", 16);
  *(uint16_t*)0x200000000050 = 1;
  syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0x400454ca,
          /*arg=*/0x200000000040ul);
  //  ioctl$sock_SIOCGIFINDEX arguments: [
  //    fd: sock (resource)
  //    cmd: const = 0x8933 (4 bytes)
  //    arg: ptr[out, ifreq_dev_t[devnames, ifindex]] {
  //      ifreq_dev_t[devnames, ifindex] {
  //        ifr_ifrn: buffer: {73 79 7a 6b 61 6c 6c 65 72 30 00 00 00 00 00 00}
  //        (length 0x10) elem: ifindex (resource) pad = 0x0 (20 bytes)
  //      }
  //    }
  //  ]
  memcpy((void*)0x200000000080, "syzkaller0\000\000\000\000\000\000", 16);
  res = syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x8933,
                /*arg=*/0x200000000080ul);
  if (res != -1)
    r[2] = *(uint32_t*)0x200000000090;
  //  socket$inet arguments: [
  //    domain: const = 0x2 (8 bytes)
  //    type: socket_type = 0x2 (8 bytes)
  //    proto: int32 = 0x0 (4 bytes)
  //  ]
  //  returns sock_in
  res = syscall(__NR_socket, /*domain=*/2ul, /*type=SOCK_DGRAM*/ 2ul,
                /*proto=*/0);
  if (res != -1)
    r[3] = res;
  //  ioctl$sock_inet_SIOCSIFFLAGS arguments: [
  //    fd: sock (resource)
  //    cmd: const = 0x8914 (4 bytes)
  //    arg: ptr[in, ifreq_dev_t[devnames, flags[ifru_flags, int16]]] {
  //      ifreq_dev_t[devnames, flags[ifru_flags, int16]] {
  //        ifr_ifrn: buffer: {73 79 7a 6b 61 6c 6c 65 72 30 00 00 00 00 00 00}
  //        (length 0x10) elem: ifru_flags = 0x1 (2 bytes) pad = 0x0 (22 bytes)
  //      }
  //    }
  //  ]
  memcpy((void*)0x2000000000c0, "syzkaller0\000\000\000\000\000\000", 16);
  *(uint16_t*)0x2000000000d0 = 1;
  syscall(__NR_ioctl, /*fd=*/r[3], /*cmd=*/0x8914, /*arg=*/0x2000000000c0ul);
  //  sendmsg$nl_route_sched arguments: [
  //    fd: sock_nl_route (resource)
  //    msg: ptr[in, msghdr_netlink[netlink_msg_route_sched]] {
  //      msghdr_netlink[netlink_msg_route_sched] {
  //        addr: nil
  //        addrlen: len = 0x0 (4 bytes)
  //        pad = 0x0 (4 bytes)
  //        vec: ptr[in, iovec[in, netlink_msg_route_sched]] {
  //          iovec[in, netlink_msg_route_sched] {
  //            addr: ptr[in, netlink_msg_route_sched] {
  //              union netlink_msg_route_sched {
  //                newqdisc: netlink_msg_t[const[RTM_NEWQDISC, int16],
  //                tcmsg[AF_UNSPEC], rtm_tca_policy] {
  //                  len: len = 0x30 (4 bytes)
  //                  type: const = 0x24 (2 bytes)
  //                  flags: netlink_msg_flags = 0x401 (2 bytes)
  //                  seq: int32 = 0x2000 (4 bytes)
  //                  pid: int32 = 0x0 (4 bytes)
  //                  payload: tcmsg[AF_UNSPEC] {
  //                    family: const = 0x0 (1 bytes)
  //                    tcm__pad1: const = 0x0 (1 bytes)
  //                    tcm__pad2: const = 0x0 (2 bytes)
  //                    ifindex: ifindex (resource)
  //                    tcm_handle: tcm_handle {
  //                      minor: tcm_handle_offsets = 0x0 (2 bytes)
  //                      major: tcm_handle_offsets = 0xffff (2 bytes)
  //                    }
  //                    tcm_parent: tcm_handle {
  //                      minor: tcm_handle_offsets = 0xfff1 (2 bytes)
  //                      major: tcm_handle_offsets = 0xffff (2 bytes)
  //                    }
  //                    tcm_info: tcm_handle {
  //                      minor: tcm_handle_offsets = 0x0 (2 bytes)
  //                      major: tcm_handle_offsets = 0x0 (2 bytes)
  //                    }
  //                  }
  //                  attrs: array[rtm_tca_policy] {
  //                    union rtm_tca_policy {
  //                      qdisc_kind_options: union qdisc_kind_options {
  //                        q_ingress: nlattr_t[const[TCA_KIND, int16],
  //                        string["ingress"]] {
  //                          nla_len: offsetof = 0xc (2 bytes)
  //                          nla_type: const = 0x1 (2 bytes)
  //                          payload: buffer: {69 6e 67 72 65 73 73 00} (length
  //                          0x8) size: buffer: {} (length 0x0)
  //                        }
  //                      }
  //                    }
  //                  }
  //                }
  //              }
  //            }
  //            len: len = 0x30 (8 bytes)
  //          }
  //        }
  //        vlen: const = 0x1 (8 bytes)
  //        ctrl: const = 0x0 (8 bytes)
  //        ctrllen: const = 0x0 (8 bytes)
  //        f: send_flags = 0x0 (4 bytes)
  //        pad = 0x0 (4 bytes)
  //      }
  //    }
  //    f: send_flags = 0x0 (8 bytes)
  //  ]
  *(uint64_t*)0x200000000200 = 0;
  *(uint32_t*)0x200000000208 = 0;
  *(uint64_t*)0x200000000210 = 0x200000000100;
  *(uint64_t*)0x200000000100 = 0x200000000000;
  *(uint32_t*)0x200000000000 = 0x30;
  *(uint16_t*)0x200000000004 = 0x24;
  *(uint16_t*)0x200000000006 = 0x401;
  *(uint32_t*)0x200000000008 = 0x2000;
  *(uint32_t*)0x20000000000c = 0;
  *(uint8_t*)0x200000000010 = 0;
  *(uint8_t*)0x200000000011 = 0;
  *(uint16_t*)0x200000000012 = 0;
  *(uint32_t*)0x200000000014 = r[2];
  *(uint16_t*)0x200000000018 = 0;
  *(uint16_t*)0x20000000001a = -1;
  *(uint16_t*)0x20000000001c = 0xfff1;
  *(uint16_t*)0x20000000001e = -1;
  *(uint16_t*)0x200000000020 = 0;
  *(uint16_t*)0x200000000022 = 0;
  *(uint16_t*)0x200000000024 = 0xc;
  *(uint16_t*)0x200000000026 = 1;
  memcpy((void*)0x200000000028, "ingress\000", 8);
  *(uint64_t*)0x200000000108 = 0x30;
  *(uint64_t*)0x200000000218 = 1;
  *(uint64_t*)0x200000000220 = 0;
  *(uint64_t*)0x200000000228 = 0;
  *(uint32_t*)0x200000000230 = 0;
  syscall(__NR_sendmsg, /*fd=*/r[0], /*msg=*/0x200000000200ul, /*f=*/0ul);
  //  sendmsg$nl_route_sched arguments: [
  //    fd: sock_nl_route (resource)
  //    msg: ptr[in, msghdr_netlink[netlink_msg_route_sched]] {
  //      msghdr_netlink[netlink_msg_route_sched] {
  //        addr: nil
  //        addrlen: len = 0x0 (4 bytes)
  //        pad = 0x0 (4 bytes)
  //        vec: ptr[in, iovec[in, netlink_msg_route_sched]] {
  //          iovec[in, netlink_msg_route_sched] {
  //            addr: ptr[in, netlink_msg_route_sched] {
  //              union netlink_msg_route_sched {
  //                newtfilter: netlink_msg_t[const[RTM_NEWTFILTER, int16],
  //                tcmsg[AF_UNSPEC], filter_policy] {
  //                  len: len = 0x5c (4 bytes)
  //                  type: const = 0x2c (2 bytes)
  //                  flags: netlink_msg_flags = 0x401 (2 bytes)
  //                  seq: int32 = 0x0 (4 bytes)
  //                  pid: int32 = 0x0 (4 bytes)
  //                  payload: tcmsg[AF_UNSPEC] {
  //                    family: const = 0x0 (1 bytes)
  //                    tcm__pad1: const = 0x0 (1 bytes)
  //                    tcm__pad2: const = 0x0 (2 bytes)
  //                    ifindex: ifindex (resource)
  //                    tcm_handle: tcm_handle {
  //                      minor: tcm_handle_offsets = 0x1 (2 bytes)
  //                      major: tcm_handle_offsets = 0x9 (2 bytes)
  //                    }
  //                    tcm_parent: tcm_handle {
  //                      minor: tcm_handle_offsets = 0xffff (2 bytes)
  //                      major: tcm_handle_offsets = 0xffff (2 bytes)
  //                    }
  //                    tcm_info: tcm_handle {
  //                      minor: tcm_handle_offsets = 0x300 (2 bytes)
  //                      major: tcm_handle_offsets = 0x1 (2 bytes)
  //                    }
  //                  }
  //                  attrs: array[filter_policy] {
  //                    union filter_policy {
  //                      filter_kind_options: union filter_kind_options {
  //                        f_basic: tca_kind_options_t["basic",
  //                        array[basic_policy]] {
  //                          TCA_KIND: nlattr_t[const[TCA_KIND, int16],
  //                          string["basic"]] {
  //                            nla_len: offsetof = 0xa (2 bytes)
  //                            nla_type: const = 0x1 (2 bytes)
  //                            payload: buffer: {62 61 73 69 63 00} (length
  //                            0x6) size: buffer: {} (length 0x0) pad = 0x0 (2
  //                            bytes)
  //                          }
  //                          TCA_OPTIONS: nlattr_t[const[TCA_OPTIONS, int16],
  //                          array[basic_policy]] {
  //                            nla_len: offsetof = 0x2c (2 bytes)
  //                            nla_type: const = 0x2 (2 bytes)
  //                            payload: array[basic_policy] {
  //                              union basic_policy {
  //                                TCA_BASIC_EMATCHES:
  //                                nlattr_tt[const[TCA_BASIC_EMATCHES,
  //                                int16:14], 0, 1, array[em_policy]] {
  //                                  nla_len: offsetof = 0x28 (2 bytes)
  //                                  nla_type: const = 0x2 (1 bytes)
  //                                  NLA_F_NET_BYTEORDER: const = 0x0 (0 bytes)
  //                                  NLA_F_NESTED: const = 0x1 (1 bytes)
  //                                  payload: array[em_policy] {
  //                                    union em_policy {
  //                                      TCA_EMATCH_TREE_HDR:
  //                                      nlattr_t[const[TCA_EMATCH_TREE_HDR,
  //                                      int16], tcf_ematch_tree_hdr] {
  //                                        nla_len: offsetof = 0x8 (2 bytes)
  //                                        nla_type: const = 0x1 (2 bytes)
  //                                        payload: tcf_ematch_tree_hdr {
  //                                          nmatches: int16 = 0x1 (2 bytes)
  //                                          progid: const = 0x0 (2 bytes)
  //                                        }
  //                                        size: buffer: {} (length 0x0)
  //                                      }
  //                                    }
  //                                    union em_policy {
  //                                      TCA_EMATCH_TREE_LIST:
  //                                      nlattr_tt[const[TCA_EMATCH_TREE_LIST,
  //                                      int16:14], 0, 1,
  //                                      array[tca_ematch_tree_list]] {
  //                                        nla_len: offsetof = 0x1c (2 bytes)
  //                                        nla_type: const = 0x2 (1 bytes)
  //                                        NLA_F_NET_BYTEORDER: const = 0x0 (0
  //                                        bytes) NLA_F_NESTED: const = 0x1 (1
  //                                        bytes) payload:
  //                                        array[tca_ematch_tree_list] {
  //                                          union tca_ematch_tree_list {
  //                                            TCF_EM_META:
  //                                            nlattr_tt[int16:14[1:3], 0, 0,
  //                                            tcf_ematch_hdr_t[TCF_EM_META,
  //                                            array[meta_policy]]] {
  //                                              nla_len: offsetof = 0x18 (2
  //                                              bytes) nla_type: int16 = 0x1
  //                                              (1 bytes) NLA_F_NET_BYTEORDER:
  //                                              const = 0x0 (0 bytes)
  //                                              NLA_F_NESTED: const = 0x0 (1
  //                                              bytes) payload:
  //                                              tcf_ematch_hdr_t[TCF_EM_META,
  //                                              array[meta_policy]] {
  //                                                header:
  //                                                tcf_ematch_hdr[TCF_EM_META]
  //                                                {
  //                                                  matchid: int16 = 0x0 (2
  //                                                  bytes) kind: const = 0x4
  //                                                  (2 bytes) flags: int16 =
  //                                                  0x0 (2 bytes) pad: const =
  //                                                  0x0 (2 bytes)
  //                                                }
  //                                                payload: array[meta_policy]
  //                                                {
  //                                                  union meta_policy {
  //                                                    TCA_EM_META_HDR:
  //                                                    nlattr_t[const[TCA_EM_META_HDR,
  //                                                    int16], tcf_meta_hdr] {
  //                                                      nla_len: offsetof =
  //                                                      0xc (2 bytes)
  //                                                      nla_type: const = 0x1
  //                                                      (2 bytes) payload:
  //                                                      tcf_meta_hdr {
  //                                                        left: tcf_meta_val {
  //                                                          kind: int16 =
  //                                                          0x1002 (2 bytes)
  //                                                          shift: int8 = 0xfd
  //                                                          (1 bytes) op:
  //                                                          tcf_em_opnds = 0x0
  //                                                          (1 bytes)
  //                                                        }
  //                                                        right: tcf_meta_val
  //                                                        {
  //                                                          kind: int16 =
  //                                                          0x1004 (2 bytes)
  //                                                          shift: int8 = 0x0
  //                                                          (1 bytes) op:
  //                                                          tcf_em_opnds = 0x0
  //                                                          (1 bytes)
  //                                                        }
  //                                                      }
  //                                                      size: buffer: {}
  //                                                      (length 0x0)
  //                                                    }
  //                                                  }
  //                                                }
  //                                              }
  //                                              size: buffer: {} (length 0x0)
  //                                            }
  //                                          }
  //                                        }
  //                                        size: buffer: {} (length 0x0)
  //                                      }
  //                                    }
  //                                  }
  //                                  size: buffer: {} (length 0x0)
  //                                }
  //                              }
  //                            }
  //                            size: buffer: {} (length 0x0)
  //                          }
  //                        }
  //                      }
  //                    }
  //                  }
  //                }
  //              }
  //            }
  //            len: len = 0x5c (8 bytes)
  //          }
  //        }
  //        vlen: const = 0x1 (8 bytes)
  //        ctrl: const = 0x0 (8 bytes)
  //        ctrllen: const = 0x0 (8 bytes)
  //        f: send_flags = 0x0 (4 bytes)
  //        pad = 0x0 (4 bytes)
  //      }
  //    }
  //    f: send_flags = 0x0 (8 bytes)
  //  ]
  *(uint64_t*)0x200000000800 = 0;
  *(uint32_t*)0x200000000808 = 0;
  *(uint64_t*)0x200000000810 = 0x200000000300;
  *(uint64_t*)0x200000000300 = 0x200000000240;
  *(uint32_t*)0x200000000240 = 0x5c;
  *(uint16_t*)0x200000000244 = 0x2c;
  *(uint16_t*)0x200000000246 = 0x401;
  *(uint32_t*)0x200000000248 = 0;
  *(uint32_t*)0x20000000024c = 0;
  *(uint8_t*)0x200000000250 = 0;
  *(uint8_t*)0x200000000251 = 0;
  *(uint16_t*)0x200000000252 = 0;
  *(uint32_t*)0x200000000254 = r[2];
  *(uint16_t*)0x200000000258 = 1;
  *(uint16_t*)0x20000000025a = 9;
  *(uint16_t*)0x20000000025c = -1;
  *(uint16_t*)0x20000000025e = -1;
  *(uint16_t*)0x200000000260 = 0x300;
  *(uint16_t*)0x200000000262 = 1;
  *(uint16_t*)0x200000000264 = 0xa;
  *(uint16_t*)0x200000000266 = 1;
  memcpy((void*)0x200000000268, "basic\000", 6);
  *(uint16_t*)0x200000000270 = 0x2c;
  *(uint16_t*)0x200000000272 = 2;
  *(uint16_t*)0x200000000274 = 0x28;
  STORE_BY_BITMASK(uint16_t, , 0x200000000276, 2, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x200000000277, 0, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x200000000277, 1, 7, 1);
  *(uint16_t*)0x200000000278 = 8;
  *(uint16_t*)0x20000000027a = 1;
  *(uint16_t*)0x20000000027c = 1;
  *(uint16_t*)0x20000000027e = 0;
  *(uint16_t*)0x200000000280 = 0x1c;
  STORE_BY_BITMASK(uint16_t, , 0x200000000282, 2, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x200000000283, 0, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x200000000283, 1, 7, 1);
  *(uint16_t*)0x200000000284 = 0x18;
  STORE_BY_BITMASK(uint16_t, , 0x200000000286, 1, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x200000000287, 0, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x200000000287, 0, 7, 1);
  *(uint16_t*)0x200000000288 = 0;
  *(uint16_t*)0x20000000028a = 4;
  *(uint16_t*)0x20000000028c = 0;
  *(uint16_t*)0x20000000028e = 0;
  *(uint16_t*)0x200000000290 = 0xc;
  *(uint16_t*)0x200000000292 = 1;
  *(uint16_t*)0x200000000294 = 0x1002;
  *(uint8_t*)0x200000000296 = 0xfd;
  *(uint8_t*)0x200000000297 = 0;
  *(uint16_t*)0x200000000298 = 0x1004;
  *(uint8_t*)0x20000000029a = 0;
  *(uint8_t*)0x20000000029b = 0;
  *(uint64_t*)0x200000000308 = 0x5c;
  *(uint64_t*)0x200000000818 = 1;
  *(uint64_t*)0x200000000820 = 0;
  *(uint64_t*)0x200000000828 = 0;
  *(uint32_t*)0x200000000830 = 0;
  syscall(__NR_sendmsg, /*fd=*/r[0], /*msg=*/0x200000000800ul, /*f=*/0ul);
  //  write$tun arguments: [
  //    fd: fd_tun (resource)
  //    buf: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //      }
  //    }
  //    count: len = 0x20 (8 bytes)
  //  ]
  syscall(__NR_write, /*fd=*/r[1], /*buf=*/0x200000000500ul, /*count=*/0x20ul);
  return 0;
}