// https://syzkaller.appspot.com/bug?id=06a62b218743b65182c953962811f26c9d8be988
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/prctl.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

#ifndef __NR_close
#define __NR_close 6
#endif
#ifndef __NR_ioctl
#define __NR_ioctl 54
#endif
#ifndef __NR_mmap
#define __NR_mmap 192
#endif
#ifndef __NR_openat
#define __NR_openat 322
#endif
#ifndef __NR_sendmsg
#define __NR_sendmsg 296
#endif
#ifndef __NR_socket
#define __NR_socket 281
#endif
#undef __NR_mmap
#define __NR_mmap __NR_mmap2

static void sleep_ms(uint64_t ms)
{
  usleep(ms * 1000);
}

static uint64_t current_time_ms(void)
{
  struct timespec ts;
  if (clock_gettime(CLOCK_MONOTONIC, &ts))
    exit(1);
  return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}

static bool write_file(const char* file, const char* what, ...)
{
  char buf[1024];
  va_list args;
  va_start(args, what);
  vsnprintf(buf, sizeof(buf), what, args);
  va_end(args);
  buf[sizeof(buf) - 1] = 0;
  int len = strlen(buf);
  int fd = open(file, O_WRONLY | O_CLOEXEC);
  if (fd == -1)
    return false;
  if (write(fd, buf, len) != len) {
    int err = errno;
    close(fd);
    errno = err;
    return false;
  }
  close(fd);
  return true;
}

static void kill_and_wait(int pid, int* status)
{
  kill(-pid, SIGKILL);
  kill(pid, SIGKILL);
  for (int i = 0; i < 100; i++) {
    if (waitpid(-1, status, WNOHANG | __WALL) == pid)
      return;
    usleep(1000);
  }
  DIR* dir = opendir("/sys/fs/fuse/connections");
  if (dir) {
    for (;;) {
      struct dirent* ent = readdir(dir);
      if (!ent)
        break;
      if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0)
        continue;
      char abort[300];
      snprintf(abort, sizeof(abort), "/sys/fs/fuse/connections/%s/abort",
               ent->d_name);
      int fd = open(abort, O_WRONLY);
      if (fd == -1) {
        continue;
      }
      if (write(fd, abort, 1) < 0) {
      }
      close(fd);
    }
    closedir(dir);
  } else {
  }
  while (waitpid(-1, status, __WALL) != pid) {
  }
}

static void setup_test()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
  write_file("/proc/self/oom_score_adj", "1000");
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      setup_test();
      execute_one();
      exit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      sleep_ms(10);
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      if (current_time_ms() - start < 15000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

uint64_t r[11] = {0xffffffffffffffff,
                  0xffffffffffffffff,
                  0xffffffffffffffff,
                  0xffffffffffffffff,
                  0x0,
                  0xffffffffffffffff,
                  0xffffffffffffffff,
                  0xffffffffffffffff,
                  0x0,
                  0xffffffffffffffff,
                  0x0};

void execute_one(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  //  socket$unix arguments: [
  //    domain: const = 0x1 (4 bytes)
  //    type: unix_socket_type = 0x1 (4 bytes)
  //    proto: const = 0x0 (4 bytes)
  //  ]
  //  returns sock_unix
  res = syscall(__NR_socket, /*domain=*/1, /*type=SOCK_STREAM*/ 1, /*proto=*/0);
  if (res != -1)
    r[0] = res;
  //  openat$tun arguments: [
  //    fd: const = 0xffffffffffffff9c (4 bytes)
  //    file: ptr[in, buffer] {
  //      buffer: {2f 64 65 76 2f 6e 65 74 2f 74 75 6e 00} (length 0xd)
  //    }
  //    flags: open_flags = 0x0 (4 bytes)
  //    mode: const = 0x0 (2 bytes)
  //  ]
  //  returns fd_tun
  memcpy((void*)0x20000240, "/dev/net/tun\000", 13);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000240,
                /*flags=*/0, /*mode=*/0);
  if (res != -1)
    r[1] = res;
  //  ioctl$TUNSETIFF arguments: [
  //    fd: fd_tun (resource)
  //    cmd: const = 0x400454ca (4 bytes)
  //    arg: ptr[in, ifreq_dev_t[devnames, flags[tun_setiff_flags, int16]]] {
  //      ifreq_dev_t[devnames, flags[tun_setiff_flags, int16]] {
  //        ifr_ifrn: buffer: {73 79 7a 6b 61 6c 6c 65 72 30 00 00 00 00 00 00}
  //        (length 0x10) elem: tun_setiff_flags = 0x7101 (2 bytes) pad = 0x0
  //        (14 bytes)
  //      }
  //    }
  //  ]
  memcpy((void*)0x20000040, "syzkaller0\000\000\000\000\000\000", 16);
  *(uint16_t*)0x20000050 = 0x7101;
  syscall(__NR_ioctl, /*fd=*/(intptr_t)r[1], /*cmd=*/0x400454ca,
          /*arg=*/0x20000040);
  //  socket arguments: [
  //    domain: socket_domain = 0x400000000010 (4 bytes)
  //    type: socket_type = 0x3 (4 bytes)
  //    proto: int32 = 0x0 (4 bytes)
  //  ]
  //  returns sock
  res = syscall(__NR_socket, /*domain=AF_NETLINK*/ 0x10, /*type=SOCK_RAW*/ 3,
                /*proto=*/0);
  if (res != -1)
    r[2] = res;
  //  socket$unix arguments: [
  //    domain: const = 0x1 (4 bytes)
  //    type: unix_socket_type = 0x1 (4 bytes)
  //    proto: const = 0x0 (4 bytes)
  //  ]
  //  returns sock_unix
  res = syscall(__NR_socket, /*domain=*/1, /*type=SOCK_STREAM*/ 1, /*proto=*/0);
  if (res != -1)
    r[3] = res;
  //  ioctl$sock_SIOCGIFINDEX arguments: [
  //    fd: sock (resource)
  //    cmd: const = 0x8933 (4 bytes)
  //    arg: ptr[out, ifreq_dev_t[devnames, ifindex]] {
  //      ifreq_dev_t[devnames, ifindex] {
  //        ifr_ifrn: buffer: {73 79 7a 6b 61 6c 6c 65 72 30 00 00 00 00 00 00}
  //        (length 0x10) elem: ifindex (resource) pad = 0x0 (12 bytes)
  //      }
  //    }
  //  ]
  memcpy((void*)0x20000100, "syzkaller0\000\000\000\000\000\000", 16);
  res = syscall(__NR_ioctl, /*fd=*/(intptr_t)r[3], /*cmd=*/0x8933,
                /*arg=*/0x20000100);
  if (res != -1)
    r[4] = *(uint32_t*)0x20000110;
  //  sendmsg$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)
  //        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 = 0x38 (4 bytes)
  //                  type: const = 0x24 (2 bytes)
  //                  flags: netlink_msg_flags = 0x4ee4e6a52ff56541 (2 bytes)
  //                  seq: int32 = 0x70bd2a (4 bytes)
  //                  pid: int32 = 0xffffffff (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 = 0xfff1 (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 = 0x0 (2 bytes)
  //                      major: tcm_handle_offsets = 0x2 (2 bytes)
  //                    }
  //                  }
  //                  attrs: array[rtm_tca_policy] {
  //                    union rtm_tca_policy {
  //                      qdisc_kind_options: union qdisc_kind_options {
  //                        q_multiq: tca_kind_options_t["multiq",
  //                        tc_multiq_qopt] {
  //                          TCA_KIND: nlattr_t[const[TCA_KIND, int16],
  //                          string["multiq"]] {
  //                            nla_len: offsetof = 0xb (2 bytes)
  //                            nla_type: const = 0x1 (2 bytes)
  //                            payload: buffer: {6d 75 6c 74 69 71 00} (length
  //                            0x7) size: buffer: {} (length 0x0) pad = 0x0 (1
  //                            bytes)
  //                          }
  //                          TCA_OPTIONS: nlattr_t[const[TCA_OPTIONS, int16],
  //                          tc_multiq_qopt] {
  //                            nla_len: offsetof = 0x8 (2 bytes)
  //                            nla_type: const = 0x2 (2 bytes)
  //                            payload: tc_multiq_qopt {
  //                              bands: int16 = 0x0 (2 bytes)
  //                              max_bands: int16 = 0x3 (2 bytes)
  //                            }
  //                            size: buffer: {} (length 0x0)
  //                          }
  //                        }
  //                      }
  //                    }
  //                  }
  //                }
  //              }
  //            }
  //            len: len = 0x38 (4 bytes)
  //          }
  //        }
  //        vlen: const = 0x1 (4 bytes)
  //        ctrl: const = 0x0 (4 bytes)
  //        ctrllen: const = 0x0 (4 bytes)
  //        f: send_flags = 0x0 (4 bytes)
  //      }
  //    }
  //    f: send_flags = 0x0 (4 bytes)
  //  ]
  *(uint32_t*)0x20000bc0 = 0;
  *(uint32_t*)0x20000bc4 = 0;
  *(uint32_t*)0x20000bc8 = 0x20000080;
  *(uint32_t*)0x20000080 = 0x200005c0;
  *(uint32_t*)0x200005c0 = 0x38;
  *(uint16_t*)0x200005c4 = 0x24;
  *(uint16_t*)0x200005c6 = 0x6541;
  *(uint32_t*)0x200005c8 = 0x70bd2a;
  *(uint32_t*)0x200005cc = -1;
  *(uint8_t*)0x200005d0 = 0;
  *(uint8_t*)0x200005d1 = 0;
  *(uint16_t*)0x200005d2 = 0;
  *(uint32_t*)0x200005d4 = r[4];
  *(uint16_t*)0x200005d8 = 0;
  *(uint16_t*)0x200005da = 0xfff1;
  *(uint16_t*)0x200005dc = -1;
  *(uint16_t*)0x200005de = -1;
  *(uint16_t*)0x200005e0 = 0;
  *(uint16_t*)0x200005e2 = 2;
  *(uint16_t*)0x200005e4 = 0xb;
  *(uint16_t*)0x200005e6 = 1;
  memcpy((void*)0x200005e8, "multiq\000", 7);
  *(uint16_t*)0x200005f0 = 8;
  *(uint16_t*)0x200005f2 = 2;
  *(uint16_t*)0x200005f4 = 0;
  *(uint16_t*)0x200005f6 = 3;
  *(uint32_t*)0x20000084 = 0x38;
  *(uint32_t*)0x20000bcc = 1;
  *(uint32_t*)0x20000bd0 = 0;
  *(uint32_t*)0x20000bd4 = 0;
  *(uint32_t*)0x20000bd8 = 0;
  syscall(__NR_sendmsg, /*fd=*/(intptr_t)r[2], /*msg=*/0x20000bc0, /*f=*/0);
  //  socket$kcm arguments: [
  //    domain: const = 0x11 (4 bytes)
  //    type: kcm_socket_type = 0x3 (4 bytes)
  //    proto: const = 0x0 (4 bytes)
  //  ]
  //  returns sock_kcm
  res = syscall(__NR_socket, /*domain=*/0x11, /*type=SOCK_DGRAM|0x1*/ 3,
                /*proto=*/0);
  if (res != -1)
    r[5] = res;
  //  socket arguments: [
  //    domain: socket_domain = 0x400000000010 (4 bytes)
  //    type: socket_type = 0x3 (4 bytes)
  //    proto: int32 = 0x0 (4 bytes)
  //  ]
  //  returns sock
  res = syscall(__NR_socket, /*domain=AF_NETLINK*/ 0x10, /*type=SOCK_RAW*/ 3,
                /*proto=*/0);
  if (res != -1)
    r[6] = res;
  //  socket$unix arguments: [
  //    domain: const = 0x1 (4 bytes)
  //    type: unix_socket_type = 0x5 (4 bytes)
  //    proto: const = 0x0 (4 bytes)
  //  ]
  //  returns sock_unix
  res = syscall(__NR_socket, /*domain=*/1, /*type=SOCK_SEQPACKET*/ 5,
                /*proto=*/0);
  if (res != -1)
    r[7] = res;
  //  ioctl$sock_SIOCGIFINDEX arguments: [
  //    fd: sock (resource)
  //    cmd: const = 0x8933 (4 bytes)
  //    arg: ptr[out, ifreq_dev_t[devnames, ifindex]] {
  //      ifreq_dev_t[devnames, ifindex] {
  //        ifr_ifrn: buffer: {73 79 7a 6b 61 6c 6c 65 72 30 00 00 00 00 00 00}
  //        (length 0x10) elem: ifindex (resource) pad = 0x0 (12 bytes)
  //      }
  //    }
  //  ]
  memcpy((void*)0x20000100, "syzkaller0\000\000\000\000\000\000", 16);
  res = syscall(__NR_ioctl, /*fd=*/(intptr_t)r[7], /*cmd=*/0x8933,
                /*arg=*/0x20000100);
  if (res != -1)
    r[8] = *(uint32_t*)0x20000110;
  //  sendmsg$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)
  //        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 = 0x4c (4 bytes)
  //                  type: const = 0x2c (2 bytes)
  //                  flags: netlink_msg_flags = 0xd3f (2 bytes)
  //                  seq: int32 = 0x70bd24 (4 bytes)
  //                  pid: int32 = 0x25dfdbfc (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 = 0xfff3 (2 bytes)
  //                      major: tcm_handle_offsets = 0xffe0 (2 bytes)
  //                    }
  //                    tcm_parent: tcm_handle {
  //                      minor: tcm_handle_offsets = 0x0 (2 bytes)
  //                      major: tcm_handle_offsets = 0x0 (2 bytes)
  //                    }
  //                    tcm_info: tcm_handle {
  //                      minor: tcm_handle_offsets = 0x7 (2 bytes)
  //                      major: tcm_handle_offsets = 0x2 (2 bytes)
  //                    }
  //                  }
  //                  attrs: array[filter_policy] {
  //                    union filter_policy {
  //                      filter_kind_options: union filter_kind_options {
  //                        f_bpf: tca_kind_options_t["bpf", array[bpf_policy]]
  //                        {
  //                          TCA_KIND: nlattr_t[const[TCA_KIND, int16],
  //                          string["bpf"]] {
  //                            nla_len: offsetof = 0x8 (2 bytes)
  //                            nla_type: const = 0x1 (2 bytes)
  //                            payload: buffer: {62 70 66 00} (length 0x4)
  //                            size: buffer: {} (length 0x0)
  //                          }
  //                          TCA_OPTIONS: nlattr_t[const[TCA_OPTIONS, int16],
  //                          array[bpf_policy]] {
  //                            nla_len: offsetof = 0x20 (2 bytes)
  //                            nla_type: const = 0x2 (2 bytes)
  //                            payload: array[bpf_policy] {
  //                              union bpf_policy {
  //                                TCA_BPF_OPS: bpf_policy$ops {
  //                                  TCA_BPF_OPS_LEN:
  //                                  nlattr_t[const[TCA_BPF_OPS_LEN, int16],
  //                                  len[bpf_policy$ops:TCA_BPF_OPS:payload,
  //                                  int16]] {
  //                                    nla_len: offsetof = 0x6 (2 bytes)
  //                                    nla_type: const = 0x4 (2 bytes)
  //                                    payload: len = 0x1 (2 bytes)
  //                                    size: buffer: {} (length 0x0)
  //                                    pad = 0x0 (2 bytes)
  //                                  }
  //                                  TCA_BPF_OPS: nlattr_t[const[TCA_BPF_OPS,
  //                                  int16], array[sock_filter]] {
  //                                    nla_len: offsetof = 0xc (2 bytes)
  //                                    nla_type: const = 0x5 (2 bytes)
  //                                    payload: array[sock_filter] {
  //                                      sock_filter {
  //                                        code: int16 = 0x6 (2 bytes)
  //                                        jt: int8 = 0xd (1 bytes)
  //                                        jf: int8 = 0x5 (1 bytes)
  //                                        k: int32 = 0x4 (4 bytes)
  //                                      }
  //                                    }
  //                                    size: buffer: {} (length 0x0)
  //                                  }
  //                                }
  //                              }
  //                              union bpf_policy {
  //                                TCA_BPF_FLAGS: nlattr_t[const[TCA_BPF_FLAGS,
  //                                int16], int32[0:1]] {
  //                                  nla_len: offsetof = 0x8 (2 bytes)
  //                                  nla_type: const = 0x8 (2 bytes)
  //                                  payload: int32 = 0x1 (4 bytes)
  //                                  size: buffer: {} (length 0x0)
  //                                }
  //                              }
  //                            }
  //                            size: buffer: {} (length 0x0)
  //                          }
  //                        }
  //                      }
  //                    }
  //                  }
  //                }
  //              }
  //            }
  //            len: len = 0x4c (4 bytes)
  //          }
  //        }
  //        vlen: const = 0x1 (4 bytes)
  //        ctrl: const = 0x0 (4 bytes)
  //        ctrllen: const = 0x0 (4 bytes)
  //        f: send_flags = 0x8848 (4 bytes)
  //      }
  //    }
  //    f: send_flags = 0x20004804 (4 bytes)
  //  ]
  *(uint32_t*)0x20000000 = 0;
  *(uint32_t*)0x20000004 = 0;
  *(uint32_t*)0x20000008 = 0x20000380;
  *(uint32_t*)0x20000380 = 0x20000140;
  *(uint32_t*)0x20000140 = 0x4c;
  *(uint16_t*)0x20000144 = 0x2c;
  *(uint16_t*)0x20000146 = 0xd3f;
  *(uint32_t*)0x20000148 = 0x70bd24;
  *(uint32_t*)0x2000014c = 0x25dfdbfc;
  *(uint8_t*)0x20000150 = 0;
  *(uint8_t*)0x20000151 = 0;
  *(uint16_t*)0x20000152 = 0;
  *(uint32_t*)0x20000154 = r[8];
  *(uint16_t*)0x20000158 = 0xfff3;
  *(uint16_t*)0x2000015a = 0xffe0;
  *(uint16_t*)0x2000015c = 0;
  *(uint16_t*)0x2000015e = 0;
  *(uint16_t*)0x20000160 = 7;
  *(uint16_t*)0x20000162 = 2;
  *(uint16_t*)0x20000164 = 8;
  *(uint16_t*)0x20000166 = 1;
  memcpy((void*)0x20000168, "bpf\000", 4);
  *(uint16_t*)0x2000016c = 0x20;
  *(uint16_t*)0x2000016e = 2;
  *(uint16_t*)0x20000170 = 6;
  *(uint16_t*)0x20000172 = 4;
  *(uint16_t*)0x20000174 = 1;
  *(uint16_t*)0x20000178 = 0xc;
  *(uint16_t*)0x2000017a = 5;
  *(uint16_t*)0x2000017c = 6;
  *(uint8_t*)0x2000017e = 0xd;
  *(uint8_t*)0x2000017f = 5;
  *(uint32_t*)0x20000180 = 4;
  *(uint16_t*)0x20000184 = 8;
  *(uint16_t*)0x20000186 = 8;
  *(uint32_t*)0x20000188 = 1;
  *(uint32_t*)0x20000384 = 0x4c;
  *(uint32_t*)0x2000000c = 1;
  *(uint32_t*)0x20000010 = 0;
  *(uint32_t*)0x20000014 = 0;
  *(uint32_t*)0x20000018 = 0x8848;
  syscall(__NR_sendmsg, /*fd=*/(intptr_t)r[6], /*msg=*/0x20000000,
          /*f=MSG_FASTOPEN|MSG_NOSIGNAL|MSG_DONTROUTE|MSG_CONFIRM*/ 0x20004804);
  //  openat$tun arguments: [
  //    fd: const = 0xffffffffffffff9c (4 bytes)
  //    file: ptr[in, buffer] {
  //      buffer: {2f 64 65 76 2f 6e 65 74 2f 74 75 6e 00} (length 0xd)
  //    }
  //    flags: open_flags = 0x0 (4 bytes)
  //    mode: const = 0x0 (2 bytes)
  //  ]
  //  returns fd_tun
  memcpy((void*)0x20000400, "/dev/net/tun\000", 13);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000400,
                /*flags=*/0, /*mode=*/0);
  if (res != -1)
    r[9] = res;
  //  close arguments: [
  //    fd: fd (resource)
  //  ]
  syscall(__NR_close, /*fd=*/(intptr_t)r[9]);
  //  socket$nl_generic arguments: [
  //    domain: const = 0x10 (4 bytes)
  //    type: const = 0x3 (4 bytes)
  //    proto: const = 0x10 (4 bytes)
  //  ]
  //  returns sock_nl_generic
  syscall(__NR_socket, /*domain=*/0x10, /*type=*/3, /*proto=*/0x10);
  //  ioctl$SIOCSIFHWADDR arguments: [
  //    fd: fd_tun (resource)
  //    cmd: const = 0x8914 (4 bytes)
  //    arg: ptr[in, ifreq_dev_t[devnames, mac_addr]] {
  //      ifreq_dev_t[devnames, mac_addr] {
  //        ifr_ifrn: buffer: {73 79 7a 6b 61 6c 6c 65 72 30 00 00 00 00 00 00}
  //        (length 0x10) elem: union mac_addr {
  //          multicast: buffer: {bb bb bb bb bb bb} (length 0x6)
  //        }
  //        pad = 0x0 (10 bytes)
  //      }
  //    }
  //  ]
  memcpy((void*)0x20002280, "syzkaller0\000\000\000\000\000\000", 16);
  memset((void*)0x20002290, 187, 6);
  syscall(__NR_ioctl, /*fd=*/(intptr_t)r[9], /*cmd=*/0x8914,
          /*arg=*/0x20002280);
  //  ioctl$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 (12 bytes)
  //      }
  //    }
  //  ]
  memcpy((void*)0x20000100, "syzkaller0\000\000\000\000\000\000", 16);
  res = syscall(__NR_ioctl, /*fd=*/(intptr_t)r[0], /*cmd=*/0x8933,
                /*arg=*/0x20000100);
  if (res != -1)
    r[10] = *(uint32_t*)0x20000110;
  //  sendmsg$kcm arguments: [
  //    fd: sock_kcm (resource)
  //    msg: ptr[in, send_msghdr] {
  //      send_msghdr {
  //        msg_name: ptr[in, sockaddr_storage] {
  //          union sockaddr_storage {
  //            xdp: sockaddr_xdp {
  //              sxdp_family: const = 0x2c (2 bytes)
  //              sxdp_flags: sxdp_flags = 0x7 (2 bytes)
  //              sxdp_ifindex: ifindex (resource)
  //              sxdp_queue_id: int32 = 0x3e (4 bytes)
  //              sxdp_shared_umem_fd: const = 0x0 (4 bytes)
  //            }
  //          }
  //        }
  //        msg_namelen: len = 0x80 (4 bytes)
  //        msg_iov: ptr[in, array[iovec[in, array[int8]]]] {
  //          array[iovec[in, array[int8]]] {
  //            iovec[in, array[int8]] {
  //              addr: ptr[in, buffer] {
  //                buffer: {27 03} (length 0x2)
  //              }
  //              len: len = 0x2 (4 bytes)
  //            }
  //          }
  //        }
  //        msg_iovlen: len = 0x1 (4 bytes)
  //        msg_control: nil
  //        msg_controllen: bytesize = 0x0 (4 bytes)
  //        msg_flags: const = 0x0 (4 bytes)
  //      }
  //    }
  //    f: send_flags = 0x4 (4 bytes)
  //  ]
  *(uint32_t*)0x200000c0 = 0x20000380;
  *(uint16_t*)0x20000380 = 0x2c;
  *(uint16_t*)0x20000382 = 7;
  *(uint32_t*)0x20000384 = r[10];
  *(uint32_t*)0x20000388 = 0x3e;
  *(uint32_t*)0x2000038c = 0;
  *(uint32_t*)0x200000c4 = 0x80;
  *(uint32_t*)0x200000c8 = 0x20000080;
  *(uint32_t*)0x20000080 = 0x20000180;
  memcpy((void*)0x20000180, "\x27\x03", 2);
  *(uint32_t*)0x20000084 = 2;
  *(uint32_t*)0x200000cc = 1;
  *(uint32_t*)0x200000d0 = 0;
  *(uint32_t*)0x200000d4 = 0;
  *(uint32_t*)0x200000d8 = 0;
  syscall(__NR_sendmsg, /*fd=*/(intptr_t)r[5], /*msg=*/0x200000c0,
          /*f=MSG_DONTROUTE*/ 4);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000, /*len=*/0x1000, /*prot=*/0,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32,
          /*fd=*/(intptr_t)-1, /*offset=*/0);
  syscall(__NR_mmap, /*addr=*/0x20000000, /*len=*/0x1000000,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32,
          /*fd=*/(intptr_t)-1, /*offset=*/0);
  syscall(__NR_mmap, /*addr=*/0x21000000, /*len=*/0x1000, /*prot=*/0,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32,
          /*fd=*/(intptr_t)-1, /*offset=*/0);
  const char* reason;
  (void)reason;
  loop();
  return 0;
}