// https://syzkaller.appspot.com/bug?id=2f3828005562c853cd09f8d1be22e62239c00d4e
// 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[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)) {
  }
  //  openat$tun arguments: [
  //    fd: const = 0xffffffffffffff9c (8 bytes)
  //    file: ptr[in, buffer] {
  //      buffer: {2f 64 65 76 2f 6e 65 74 2f 74 75 6e 00} (length 0xd)
  //    }
  //    flags: open_flags = 0xa8442 (4 bytes)
  //    mode: const = 0x0 (2 bytes)
  //  ]
  //  returns fd_tun
  memcpy((void*)0x200000000240, "/dev/net/tun\000", 13);
  res = syscall(
      __NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x200000000240ul,
      /*flags=O_NOFOLLOW|O_LARGEFILE|O_CREAT|O_CLOEXEC|O_APPEND|0x2*/ 0xa8442,
      /*mode=*/0);
  if (res != -1)
    r[0] = res;
  //  ioctl$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 = 0x7101 (2 bytes) pad = 0x0
  //        (22 bytes)
  //      }
  //    }
  //  ]
  memcpy((void*)0x200000000040, "syzkaller0\000\000\000\000\000\000", 16);
  *(uint16_t*)0x200000000050 = 0x7101;
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x400454ca,
          /*arg=*/0x200000000040ul);
  //  socket$netlink arguments: [
  //    domain: const = 0x10 (8 bytes)
  //    type: const = 0x3 (8 bytes)
  //    proto: netlink_proto = 0x14 (4 bytes)
  //  ]
  //  returns sock_netlink
  res = syscall(__NR_socket, /*domain=*/0x10ul, /*type=*/3ul,
                /*proto=NETLINK_RDMA*/ 0x14);
  if (res != -1)
    r[1] = res;
  //  sendmsg$RDMA_NLDEV_CMD_NEWLINK arguments: [
  //    fd: sock_nl_rdma (resource)
  //    msg: ptr[in, msghdr_netlink[netlink_msg[RDMA_NLDEV_NEWLINK, void,
  //    nldev_policy$NEWLINK]]] {
  //      msghdr_netlink[netlink_msg[RDMA_NLDEV_NEWLINK, void,
  //      nldev_policy$NEWLINK]] {
  //        addr: nil
  //        addrlen: len = 0x0 (4 bytes)
  //        pad = 0x0 (4 bytes)
  //        vec: ptr[in, iovec[in, netlink_msg[RDMA_NLDEV_NEWLINK, void,
  //        nldev_policy$NEWLINK]]] {
  //          iovec[in, netlink_msg[RDMA_NLDEV_NEWLINK, void,
  //          nldev_policy$NEWLINK]] {
  //            addr: ptr[in, netlink_msg_t[const[RDMA_NLDEV_NEWLINK, int16],
  //            void, nldev_policy$NEWLINK]] {
  //              netlink_msg_t[const[RDMA_NLDEV_NEWLINK, int16], void,
  //              nldev_policy$NEWLINK] {
  //                len: len = 0x38 (4 bytes)
  //                type: const = 0x1403 (2 bytes)
  //                flags: netlink_msg_flags = 0x1 (2 bytes)
  //                seq: int32 = 0x0 (4 bytes)
  //                pid: int32 = 0x0 (4 bytes)
  //                payload: buffer: {} (length 0x0)
  //                attrs: array[nldev_policy$NEWLINK] {
  //                  nldev_policy$NEWLINK {
  //                    RDMA_NLDEV_ATTR_DEV_NAME:
  //                    nlattr_t[const[RDMA_NLDEV_ATTR_DEV_NAME, int16],
  //                    string[nldev_name]] {
  //                      nla_len: offsetof = 0x9 (2 bytes)
  //                      nla_type: const = 0x2 (2 bytes)
  //                      payload: buffer: {73 79 7a 32 00} (length 0x5)
  //                      size: buffer: {} (length 0x0)
  //                      pad = 0x0 (3 bytes)
  //                    }
  //                    RDMA_NLDEV_ATTR_LINK_TYPE:
  //                    nlattr_t[const[RDMA_NLDEV_ATTR_LINK_TYPE, int16],
  //                    string[nldev_type]] {
  //                      nla_len: offsetof = 0x8 (2 bytes)
  //                      nla_type: const = 0x41 (2 bytes)
  //                      payload: buffer: {73 69 77 00} (length 0x4)
  //                      size: buffer: {} (length 0x0)
  //                    }
  //                    RDMA_NLDEV_ATTR_NDEV_NAME:
  //                    nlattr_t[const[RDMA_NLDEV_ATTR_NDEV_NAME, int16],
  //                    devname] {
  //                      nla_len: offsetof = 0x14 (2 bytes)
  //                      nla_type: const = 0x33 (2 bytes)
  //                      payload: buffer: {73 79 7a 6b 61 6c 6c 65 72 30 00 00
  //                      00 00 00 00} (length 0x10) size: buffer: {} (length
  //                      0x0)
  //                    }
  //                  }
  //                }
  //              }
  //            }
  //            len: len = 0x38 (8 bytes)
  //          }
  //        }
  //        vlen: const = 0x1 (8 bytes)
  //        ctrl: const = 0x0 (8 bytes)
  //        ctrllen: const = 0x0 (8 bytes)
  //        f: send_flags = 0x5 (4 bytes)
  //        pad = 0x0 (4 bytes)
  //      }
  //    }
  //    f: send_flags = 0x100 (8 bytes)
  //  ]
  *(uint64_t*)0x2000000002c0 = 0;
  *(uint32_t*)0x2000000002c8 = 0;
  *(uint64_t*)0x2000000002d0 = 0x200000001200;
  *(uint64_t*)0x200000001200 = 0x200000001080;
  *(uint32_t*)0x200000001080 = 0x38;
  *(uint16_t*)0x200000001084 = 0x1403;
  *(uint16_t*)0x200000001086 = 1;
  *(uint32_t*)0x200000001088 = 0;
  *(uint32_t*)0x20000000108c = 0;
  *(uint16_t*)0x200000001090 = 9;
  *(uint16_t*)0x200000001092 = 2;
  memcpy((void*)0x200000001094, "syz2\000", 5);
  *(uint16_t*)0x20000000109c = 8;
  *(uint16_t*)0x20000000109e = 0x41;
  memcpy((void*)0x2000000010a0, "siw\000", 4);
  *(uint16_t*)0x2000000010a4 = 0x14;
  *(uint16_t*)0x2000000010a6 = 0x33;
  memcpy((void*)0x2000000010a8, "syzkaller0\000\000\000\000\000\000", 16);
  *(uint64_t*)0x200000001208 = 0x38;
  *(uint64_t*)0x2000000002d8 = 1;
  *(uint64_t*)0x2000000002e0 = 0;
  *(uint64_t*)0x2000000002e8 = 0;
  *(uint32_t*)0x2000000002f0 = 5;
  syscall(__NR_sendmsg, /*fd=*/r[1], /*msg=*/0x2000000002c0ul, /*f=*/0x100ul);
  return 0;
}