// https://syzkaller.appspot.com/bug?id=6f694e408087c5c175cba9872f72ea38834f5261
// 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/mount.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>

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;
}

#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))))

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 < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

uint64_t r[5] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff,
                 0xffffffffffffffff, 0x0};

void execute_one(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  //  openat$tun arguments: [
  //    fd: const = 0xffffffffffffff9c (8 bytes)
  //    file: ptr[in, buffer] {
  //      buffer: {2f 64 65 76 2f 6e 65 74 2f 74 75 6e 00} (length 0xd)
  //    }
  //    flags: open_flags = 0x40241 (4 bytes)
  //    mode: const = 0x0 (2 bytes)
  //  ]
  //  returns fd_tun
  memcpy((void*)0x200000000000, "/dev/net/tun\000", 13);
  res = syscall(
      __NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x200000000000ul,
      /*flags=O_TRUNC|O_NOATIME|O_CREAT|O_WRONLY*/ 0x40241, /*mode=*/0);
  if (res != -1)
    r[0] = res;
  //  ioctl$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 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[0], /*cmd=*/0x400454ca,
          /*arg=*/0x200000000200ul);
  //  socket$kcm arguments: [
  //    domain: const = 0x2 (8 bytes)
  //    type: kcm_socket_type = 0xa (8 bytes)
  //    proto: const = 0x2 (4 bytes)
  //  ]
  //  returns sock_kcm
  res = syscall(__NR_socket, /*domain=*/2ul, /*type=SOCK_DGRAM|0x8*/ 0xaul,
                /*proto=*/2);
  if (res != -1)
    r[1] = res;
  //  ioctl$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 = 0xe (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 = 0xe;
  syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0x8914, /*arg=*/0x200000000180ul);
  //  socket$nl_route arguments: [
  //    domain: const = 0x10 (8 bytes)
  //    type: const = 0x3 (8 bytes)
  //    proto: const = 0x0 (4 bytes)
  //  ]
  //  returns sock_nl_route
  res = syscall(__NR_socket, /*domain=*/0x10ul, /*type=*/3ul, /*proto=*/0);
  if (res != -1)
    r[2] = res;
  //  socket$unix arguments: [
  //    domain: const = 0x1 (8 bytes)
  //    type: unix_socket_type = 0x3 (8 bytes)
  //    proto: const = 0x0 (4 bytes)
  //  ]
  //  returns sock_unix
  res = syscall(__NR_socket, /*domain=*/1ul,
                /*type=SOCK_DGRAM|SOCK_STREAM*/ 3ul, /*proto=*/0);
  if (res != -1)
    r[3] = res;
  //  write$UHID_INPUT arguments: [
  //    fd: fd_uhid (resource)
  //    data: ptr[in, uhid_req[UHID_INPUT, uhid_input_req]] {
  //      uhid_req[UHID_INPUT, uhid_input_req] {
  //        type: const = 0x8 (4 bytes)
  //        data: uhid_input_req {
  //          data: buffer: {dc 5d 3b 01 69 63 3d 3e ba 3e ab bc 09 16 7b e5 51
  //          01 d4 af 4b 22 a3 73 23 64 64 d2 db fa a8 43 99 b7 7b d4 38 a5 43
  //          64 a7 eb c5 bd aa b4 f9 de cb 7c 04 43 18 cd 59 a0 af 82 79 bc ab
  //          35 dd 7d af 7a 0c eb 38 1d f2 c3 2e ff 45 b1 3e 2c 8f 40 e1 89 53
  //          55 bf 6f 16 52 00 cb 1c a4 1a 15 57 30 ee 2e 9f 83 18 3e 9f af e0
  //          29 d0 40 1b 07 70 61 82 54 a8 b2 dc 87 b6 30 07 2b 1e 2d e1 60 d1
  //          af ed 51 b7 4c 14 b7 1e c1 b2 26 a3 24 48 2d 14 ad 58 6b 1a 4c e8
  //          0e 45 8f e4 52 44 c0 1e dd ed df 35 64 af 83 8d 6d 53 24 f8 a7 70
  //          23 d6 eb 7a a1 43 97 a0 e1 41 3e a1 c3 df df 06 3a 35 b7 09 e6 27
  //          f3 6f e4 03 ee 31 17 36 5b e5 01 76 82 f5 35 95 f2 85 43 06 2c 74
  //          0a 94 a7 94 31 2f 5c eb c3 15 04 4b 8e a0 00 a5 d0 f2 78 12 ab 0c
  //          e1 49 d1 1e 6f 6f 76 20 c5 f3 e2 50 bf 67 d1 3a 1c a3 9d bb 7b 8b
  //          5a 31 e3 d7 ba 7e be 58 49 a7 a0 9b 61 fc 9f 2c fc 54 b8 9e 9c d0
  //          10 5b ca 49 48 3c e5 5e 01 87 ce 2a d6 92 a1 82 19 d8 81 05 7c 83
  //          85 87 b9 15 33 71 69 ee 05 46 55 f2 6a 04 df 91 3a 65 8f cc bf 4d
  //          ef 6a ad 75 0c a4 79 6b 74 d3 22 c6 7e 9d 4e e6 a5 30 a2 2d cc 35
  //          db 85 0b 42 4d 6e c9 f6 24 95 b9 f9 fd 2b 00 0f ea dd 57 d2 6d bd
  //          50 57 98 c2 08 d9 1e b0 aa b0 fd 97 53 76 31 b8 bf 81 ce 0e 22 41
  //          c4 27 2b e4 ff 69 b3 90 e4 48 5d 57 41 46 b7 6d 1f db f7 fc 53 34
  //          90 68 05 53 4c da e1 e4 72 40 af 77 61 a1 8f c8 bd 0a 69 4b e4 75
  //          29 da 98 bc 0f 98 eb 7d b3 fc 4a 74 cb b6 e4 86 f4 de 90 fb f2 45
  //          2e 72 c2 e1 dc a4 45 43 ad 9a d0 94 b8 bc 86 1e ef 1e 81 46 62 d0
  //          b3 50 33 9e 3a 51 0d 45 9c 6f 83 aa bd 5f d3 dc b3 82 24 05 6d 76
  //          1e 7d f9 b4 82 b9 90 5f 1e 21 35 c1 92 9b e3 28 ec db 69 c0 07 a3
  //          ef d5 48 50 2c 83 10 6f 6d f1 ab 11 78 fa c4 99 ed a9 2a d4 37 31
  //          55 22 7e c2 df 15 0c 91 9d 32 2e cb 3e a3 7e 65 92 85 f1 8a 3e 2f
  //          79 b5 99 00 ca 43 8d f3 a1 38 13 80 a1 2d 3a d7 67 8e 0a 8d 3b df
  //          b4 06 51 38 9b 4a c8 c6 61 38 d4 42 d7 0e af dc 2d f8 b0 80 02 80
  //          06 b1 24 e4 eb e0 d9 88 3e f1 00 f1 93 4e 42 5a 41 46 05 6d 80 09
  //          75 67 5b b1 91 31 42 ad bc 03 9a 9c 68 c2 f1 46 a0 e8 90 34 47 31
  //          3f 5e 55 49 90 5f 39 7a 9b 1f 21 a9 3b 80 c4 d0 4a 8e a7 a2 9a 50
  //          fb c5 40 7a 93 05 bb a4 20 ed f8 98 ea 67 8d 68 79 48 9c 39 69 2c
  //          99 bb 6d ac f6 1f 5f 97 63 7b 94 c1 03 1d 63 5b 54 23 d2 7f 7b 78
  //          fa fa 06 00 00 00 6e ad c2 14 66 af 5a 10 28 1e 6a 80 87 48 96 9d
  //          29 ef b4 44 c9 9a 4c b2 11 17 32 a7 92 db ca 43 76 a1 25 a6 8f 7c
  //          da c0 65 cc 61 73 dc 21 ca af ba 48 c7 42 d9 a7 df 2f 77 1f f2 f5
  //          72 5b 22 c2 47 d4 e0 c6 10 6f 9f 5f 69 29 b6 99 29 ab 37 e9 a9 b3
  //          26 ce 61 8b b7 02 b8 83 b1 20 26 f1 30 0f 21 f2 c7 44 0c ac 8c 5f
  //          12 10 a7 8a a0 67 21 1d 28 27 f5 dc c7 57 82 52 c2 cc c3 f6 7b ab
  //          9d 1b b6 93 9b 21 b5 50 78 8e f5 50 ac fe d4 bf 50 c0 b4 fb 3c a4
  //          d2 87 2e e6 4f 95 d6 11 a3 17 d9 da af 37 3a 10 d8 68 68 0b 22 26
  //          39 6c 95 fa 2b 0a b4 d6 fc e0 6c 3b 42 cb 97 d1 7a 7b 50 89 06 15
  //          37 fd eb 1a 53 04 08 69 f7 be fc a3 30 35 8f db a8 67 54 fc 2e 46
  //          c2 11 3e 14 84 cb 37 53 4a f8 f0 40 8a 7e e3 13 77 8d ab 49 f0 82
  //          29 96 42 98 f8 47 ea 66 c4 ec 31 9f 64 b6 a1 2d a5 85 bc 59 e8 2e
  //          02 63 c5 07 b3 97 d3 ef ee 3b 40 66 f4 d2 55 66 aa 15 49 f6 18 5f
  //          63 75 f8 4b 65 fa 89 45 14 8b 90 43 0c 86 a5 b6 fd f5 8d 5c 81 2b
  //          98 d9 dc 62 1f d9 a3 d9 f1 a5 77 49 53 56 51 6d 1c bc f5 e8 bb 89
  //          23 b5 4b 24 72 25 b9 c3 89 2b 18 a9 e1 37 f3 62 0c 73 40 52 af 9d
  //          c8 f1 ea 36 f0 d4 59 2d 5e e3 2e 35 67 6a 84 dc 89 1f 97 45 6f 2a
  //          c3 a4 ab 58 a4 2b cd c2 21 a4 ac 8b b2 8d 42 8a dd 2f cb e5 b1 10
  //          a8 af d5 d2 3b 31 e8 27 bd 16 16 7b 2d 88 ca e0 24 af c0 4a 72 2a
  //          c0 b4 d4 5c 52 51 2e 6b 6f 10 2a ac 4b e2 1b c8 9c e2 46 53 90 48
  //          37 05 53 66 5b 0a 43 36 a6 db 99 d0 d1 93 99 be 64 37 bf 21 41 93
  //          04 33 1b 43 42 b2 c1 db 58 0f 0c 9b f6 81 fd b8 e9 fa 3e 02 54 54
  //          19 7b bc 82 ef 93 ee 2f 38 56 60 81 8e c5 12 70 80 67 5a 80 13 76
  //          64 69 af e3 b1 e3 6e 81 bf 2f 04 c3 a2 6e af 45 17 55 1e 73 4d 21
  //          ba 3b c9 0e 48 ae a0 89 17 92 97 0c 39 f3 f5 28 39 7e 9b 7a e1 90
  //          f1 76 0f e5 96 0d c7 63 ee 0a 17 93 9c 60 bf ca c0 a8 91 4b e8 2c
  //          74 9e 4f e8 5d 1a c5 fa 73 34 13 46 8f b8 94 10 85 e8 c4 d6 e0 b6
  //          d1 e6 2e 20 da 58 44 0f ac d6 40 dd bb 6c 1f 69 4b 3c a4 87 57 a3
  //          4c 5a 11 66 83 68 71 1a 1d 4f 3a 81 d3 1a c3 0d 71 27 7d 7a e7 78
  //          82 b6 84 1c fa 62 89 e6 cc e8 4a 3a d5 7e eb 32 8f 83 18 88 ac 7d
  //          3c fc d3 a4 72 a4 8d 90 3f 20 ce c8 c8 ae 8d 0b ea 04 eb f7 41 3e
  //          f7 69 3f 8e d8 76 e4 9b d5 f8 9d 7e 10 78 20 8f f6 27 12 e3 30 fc
  //          03 41 b9 cc f2 68 45 57 8d 44 b1 e0 c6 6d 1b eb c1 47 42 ba ed fa
  //          bb 8e 9a 2c 8f 42 73 03 60 c7 29 97 ef e0 ce 78 6f f3 30 c2 eb 6e
  //          0f f2 08 96 f8 13 c2 a5 15 ce 76 f8 7d 2a 1a 1c 15 88 eb 36 92 31
  //          dd eb 4a 2f 9f 95 91 ec de cc 74 d2 0a eb 50 04 7b eb 3a b8 9a 9e
  //          4e 1b 80 5a 20 b6 45 c7 9d 0b c5 d0 24 7f ab 8b a4 6a 97 a0 76 30
  //          b1 f1 cb 69 b4 2b 56 8a f7 46 73 3d 2c 58 1f 05 78 73 d6 4f e6 e6
  //          59 b0 0b 4a 26 74 5f 5f ba 1f e7 40 6a 86 b0 07 93 6c 7c fd ac 53
  //          a4 c5 b0 ea 9f 66 04 86 3c 8e 3f 17 4e dd bb 09 17 5f 6e 13 cd a9
  //          a8 60 cf 40 0e f9 ed 02 b8 95 50 2a c6 e6 de 6a 65 82 49 c3 c6 e8
  //          a6 53 51 7e ae 22 31 e5 6e 0f 12 05 47 92 3c 65 49 eb c1 ed 14 c6
  //          23 63 7c e3 d9 6a f5 c9 3a 32 e5 8e 2d 96 59 d8 b5 b1 45 88 8b 52
  //          d9 a5 b5 cb 3c df 59 4e b1 37 bc ef 2b a0 68 cf d2 c6 cc f7 ab 6e
  //          5b 4e c5 5e 91 97 bf b9 1c 9b 87 29 f7 b5 0c f0 b0 32 6f 7e a3 e7
  //          12 c7 76 74 d4 85 45 ca 2a 86 74 4c 3c 38 f1 49 d6 9c f8 11 be ac
  //          f7 e5 f4 9c 7b fb a2 0f 1d cf 3d 7b c0 b9 c7 96 01 68 20 a4 64 95
  //          d2 44 c9 60 6a 06 fe 2e 14 23 3e da 78 d6 9a e4 52 3a d7 b7 08 b0
  //          c7 ea d4 4d 7f d3 76 fe d6 0e 3c c2 ee 25 e9 60 0a df be 87 ac 7c
  //          8f b8 26 9a ec 94 59 60 2a f0 f4 20 be cd a6 12 0c e7 d9 62 6c 65
  //          ae 7f 86 06 39 e8 bf 66 4e b4 30 1e c1 8a dd 0e 43 6c 03 56 c1 2a
  //          b6 b4 ca 35 da 2b 43 c4 a8 c2 39 fd 0b 59 a2 ce 94 84 3c df a1 66
  //          70 53 16 50 53 63 3b 06 28 44 db b0 d0 00 70 fd e7 4f a3 17 8e b5
  //          f1 f5 fd 02 e2 08 8d 86 90 37 9f 39 ab 22 c0 80 cd cb 29 d7 00 ba
  //          c7 4f ab d8 a3 56 fe 99 af e8 3a 5d 99 aa 50 24 e9 15 8a 29 9e da
  //          6c 99 b6 70 1e 64 f1 d6 8e 7e 2c 0c 6e 88 39 6b b5 35 a0 2d 09 48
  //          f0 a2 50 a6 e0 90 04 1c 96 d9 c9 ac d6 13 4d 44 d5 16 fd 10 10 c3
  //          9e 57 2b 86 b0 5b b1 32 6a 2a 4f 23 f1 11 81 18 6f 9c 2a 01 dc 7b
  //          58 c0 12 9f 4b 85 1c a9 b1 e3 dc 35 db 73 64 e2 9e f6 46 21 17 96
  //          b1 65 15 11 e0 41 34 5a bc e4 27 fa 5d 6e 48 b8 fb 07 8c 84 32 06
  //          1a 4c c5 18 a8 f2 a2 ca f7 09 a5 c1 47 3a 62 11 2a 66 50 af c6 4e
  //          ec 12 f8 f9 c0 8c ff 1b 6f bf 7a 12 09 fc 86 61 f6 23 03 b7 c5 d4
  //          9c 1d 0b 32 a9 f3 7e 81 ed 9a b6 19 38 16 d4 09 95 ed 49 c1 0b 9f
  //          57 52 e0 4d 57 53 5a 3d 16 f0 6c 65 d3 28 46 c3 1e c9 78 7e c4 a9
  //          65 67 9e b8 04 e8 6b 45 d0 07 f3 8d 81 04 55 07 70 dc 6f 31 3b c8
  //          46 e4 3a 14 a8 c2 1d 06 28 c7 44 e3 e8 3c b9 98 d1 b7 ac fe 99 65
  //          41 a8 c0 38 52 da df 93 26 44 4c 58 2b 48 1c ae 84 4e 4f 3f e3 d6
  //          38 90 3b 38 f2 46 33 b6 3a db ad 84 1a c6 c4 c1 16 9d 78 1a 0e 27
  //          1e 8a 96 7b 1c 7e 98 6f cb 3a 66 16 8e 86 e3 55 9a 44 fc fa 92 45
  //          22 60 49 1d a9 39 76 59 af 60 45 3f 4c d4 be 2d 15 43 94 45 ec 2b
  //          43 66 a7 9d 32 83 da 91 2d 9d 49 9d f1 24 2b d1 74 ed c2 35 84 8c
  //          aa 21 d2 c9 97 af f0 e9 5c 7e 5c c0 80 3c 90 fa b8 4e 7b e7 b3 79
  //          09 d0 38 8a cb 68 00 ba ba 18 3e cc 8e ea 8c 71 c0 d6 5d 66 9e 41
  //          f9 9c ea e5 23 b7 a6 b7 72 f3 b8 eb ba 1d 21 27 cc c3 dd b7 dd cb
  //          4e c7 3c bd c2 6f c8 7c 38 48 e2 58 a0 b5 48 4d 3a 13 e4 0e c4 e4
  //          a6 5d d9 2f 09 e9 fe 1e 3e 2f 8b 96 c4 e3 63 aa 36 83 86 0d ee 62
  //          df cf 88 23 ee 4a 35 93 a0 92 e0 bd 9c 4c ed ac f4 4a 27 2f aa 16
  //          44 47 b0 1f 46 a7 79 56 42 a4 0c 61 b0 03 4a 37 f0 e9 b7 92 42 8a
  //          0d dc d1 44 fe 82 63 08 8e aa c8 01 6f 8f 1c d3 0b 55 ac 90 a8 f1
  //          0d 78 5b 75 70 dd 9e 63 9a 4a 06 8d 3f e9 8a 42 01 0e 24 f6 9d e8
  //          17 f6 76 c2 a2 24 30 0d 74 95 71 ad 43 f4 9d 1f be 83 8f 45 66 bc
  //          7b 5f 10 4c 38 4a d8 71 89 21 31 52 b6 44 d9 fc bd f9 8b af ee e5
  //          69 d6 40 ce 90 45 77 9f 1d 90 02 4c 02 3a 74 80 a3 58 de e2 76 fb
  //          a1 39 c1 4b 4f db 12 88 52 40 90 3d 0e 61 dc 16 16 59 a6 8f 62 c9
  //          2b 89 90 07 e0 f2 b6 5b f0 a0 69 e9 e5 7c 9b 6a e5 0a 3b 30 dd 10
  //          03 fb 0e ea d7 3a e2 f6 01 0b 3b 35 6b 40 60 57 9a 4f 29 93 5e 1f
  //          00 c0 1d 12 e5 f4 4e 8e 31 63 d8 1d fe f7 ca 85 60 60 42 40 c7 e9
  //          6e 44 54 c6 97 16 14 df 30 6c 76 81 21 ab b3 f6 28 e3 f1 d2 d0 26
  //          f5 8d 10 87 33 4c 5b db 74 d7 c9 49 b0 ee 66 a4 53 1b a4 e9 b9 22
  //          ae e3 d0 f8 02 ed 03 47 34 50 7a 59 13 c5 29 66 f1 f8 bd 45 77 84
  //          0d e0 25 3a ab c2 32 99 dc ed 2a 29 98 59 c0 7a f9 fb 0f 9c 29 b6
  //          53 3b 9d 84 d4 71 39 0d 59 ab 31 5f 5d db 22 6f 6b 8d d7 88 92 95
  //          f0 fb 1f 7b d1 ad af e4 cc 52 0a 1e 84 bf 2a 59 d5 b9 79 5a ea fc
  //          8d 6f d6 6a 82 28 ab a8 65 3b 98 62 26 17 dd fe b5 d6 79 5c 9b d2
  //          f3 5d 4a 0c 38 6e 86 26 75 a5 0e 33 14 c3 fb b1 7a ca 15 1c 13 c7
  //          fc 8b 1d 1b 72 ed 0a 95 85 37 b5 dd c9 e7 4b dd c2 b9 57 1e c3 f2
  //          b7 77 5b 12 53 38 d4 85 2a 75 a6 39 41 56 4c 65 bb 36 df b6 be a4
  //          aa b1 ae 7a 4f 28 5c 21 77 aa 98 40 6e b2 cc 10 93 4a a9 2d 5a 96
  //          12 d4 45 5c 84 ad 20 08 41 d2 89 b5 c2 d5 de ab 0d 8e 24 59 59 8e
  //          f1 83 d3 dc 46 f6 ba d0 b9 51 37 10 60 0c fa 4d 69 fc d5 76 3c dc
  //          c4 f2 c2 b7 cd 7d 44 91 fd 52 f4 ae c8 2c e8 46 c0 98 8f 6f 01 23
  //          e2 1e 90 0d 39 c6 10 85 e6 8c 9b ad c3 50 b4 40 04 f6 c0 42 d6 4b
  //          0d 0c bf 91 ad 05 92 b1 98 f1 ee ea 1e 52 20 0b c8 e6 d6 28 48 d6
  //          88 4b 10 bd de 72 46 60 39 da 48 8b e6 b3 40 c2 31 48 f6 66 f2 fe
  //          6e 03 2c 07 da c4 35 86 df 18 2a ca 91 16 f4 60 03 13 fa 83 75 c7
  //          63 37 ba 86 bd c3 91 da e6 45 02 18 f5 8f 04 7c ed 64 be fc 6b b5
  //          c2 a6 00 24 66 96 30 a6 27 9f ed f2 fe 45 e7 e1 9c e5 82 ad 96 ae
  //          0d 02 3e b9 b3 9f 5f 1e 66 6e 73 bb 03 8a e3 81 57 27 5b e5 eb 3e
  //          7c bc 8b 05 ad f5 3e 81 76 46 bd c2 cf ce 98 e5 d1 62 bf 7f aa ca
  //          78 7d b8 71 7a b8 b2 7b 9e 35 60 9c 5f b9 fe 9d ef 07 f0 10 df 8b
  //          43 cf 5c 96 85 1e ad fd ef f0 b7 bc 58 26 e7 e1 54 90 ae 9c 3d 14
  //          16 6e e8 1b ef 00 70 70 e7 98 12 35 a6 73 80 4a d8 99 43 ee 6b 51
  //          ac 63 36 4f 78 70 e1 21 e6 ff 23 a0 c7 d1 79 52 7c d5 8d d7 a4 ca
  //          37 24 7c 2b d9 ef c7 9b 72 0b b1 ee 2d 39 86 2e 98 cb 81 e9 3c f5
  //          b4 8d 5d 02 ee 8a c7 37 ab 50 4c 86 7a 1c 49 e6 78 30 08 03 c9 4f
  //          be 97 8d ea 91 8a 1e 71 b9 79 1e e1 e4 d3 00 56 e8 6c 26 a4 67 0b
  //          45 1a 13 ec e5 2a 89 a7 05 7f e2 05 2e 11 c6 66 6e b9 16 d8 23 ea
  //          66 bf 21 7c 32 0a cb a3 b7 14 91 07 34 b2 d2 7c 2f a5 86 bd 7f 76
  //          64 b0 d1 42 2a da ba d2 ce 2a fc 10 27 00 57 f1 19 40 fa c1 a5 1d
  //          02 3c e4 8b d0 4e a3 9b 7f 99 38 1b 23 9f d0 dd ee a0 dc e7 86 3e
  //          c1 f8 f6 17 75 01 3b 64 14 ec f8 6e 68 6a 34 0a 31 48 f8 7a 9d 7d
  //          60 a1 f2 da 53 43 6d 16 fc 88 d6 a4 e7 c3 d5 5e 0d d0 04 cb ec c1
  //          5a 55 58 eb 70 5d 82 aa cb 18 62 dd c2 51 dd 5d 9c bf 1d 78 f9 79
  //          00 ce 6e 8d ab 0e a6 78 cb 82 3b d1 e7 bb d1 e9 27 87 8c 19 f4 f3
  //          22 22 8f 9b 36 28 7f c1 3e 7c 12 93 ea 87 5a e7 38 15 e0 52 d6 c2
  //          eb c4 0d f8 f7 b9 d1 f7 6e 0b 10 e3 5a a1 60 94 49 83 d8 e6 b7 90
  //          df 0d 9b 13 f3 46 06 57 33 6d 81 f7 d8 3c 03 50 32 4b 93 0e c9 c7
  //          55 7c e1 28 87 f7 63 72 e1 26 f5 04 b0 98 0f ea 27 f3 1a 78 0c 05
  //          18 7b 9b 53 53 da fc 6b 10 15 43 b2 43 32 b9 6e 15 bc 26 b1 90 62
  //          e5 2f a9 f8 6d 26 0e e3 a3 bc 92 a1 33 e3 28 40 7b b8 53 57 ee 5c
  //          45 cb 87 22 8f 44 88 8b 14 94 1b 59 11 b0 50 e9 31 9f e8 80 33 f8
  //          30 a8 49 09 17 a9 c0 57 2e bb c5 49 2b 4e 10 83 a2 e3 d7 72 15 a3
  //          4a be f9 47 b5 b9 a9 50 e7 80 66 2d e1 88 73 e5 58 99 c9 2d b3 ad
  //          3d 43 7e 84 07 89 0a fa 6b 0c 04 ef 86 1b 8b c8 5f bb e1 bb 67 b3
  //          d9 ef 00 14 09 f8 4b 8e c4 f0 1d 86 1c ec c1 43 a8 05 b9 81 ab 5c
  //          f5 b6 05 05 7b 63 cb 2c 84 ec 35 8e 51 0a 69 cd 8c 33 a8 a6 2f e4
  //          68 0d 0c 98 01 45 cc 70 91 57 83 2b fa ef 26 1c b0 46 6c 23 73 76
  //          ca 29 44 ce 9a ff ff d4 b1 dc 7c c9 51 1d a0 b3 4b ff b9 ac 21 6f
  //          b8 cf 7c 65 72 d9 56 27 78 77 20 d1 ba 67 c6 51 2f cd b1 6f 63 29
  //          e9 66 86 81 c4 04 ef eb ad 55 9f 81 f0 59 71 b5 ef b6 b4 cc a9 7a
  //          d0 34 67 53 cc 0a 40 a8 77 24 2d 8a 80 8c 60 2b 03 dc 96 2c ee 38
  //          e6 46 cb 18 ab b0 79 c7 0d 35 7c 30 73 8a 70 f5 5c d3 c5 95 6a 83
  //          a1 bf cd 66 49 dd 76 5f 16 bf e9 68 06 63 45 df 73 80 bb c0 c1 6b
  //          3b 5a f5 13 d6 45 8c 79 13 43 95 2f 33 a0 51 c5 d7 11 c1 f3 5a f1
  //          b4 7f 3d b9 bb fb 5c 7c 63 6b 3a 2b 52 80 5d 60 64 79 87 9b e0 b4
  //          04 a2 8a de 56 49 a3 18 5e 0f 85 a8 5f c1 5c d8 24 67 1c 2b ef dd
  //          0d a5 09 59 7c 87 d8 69 f0 bd 7a d1 63 ad 93 ca 28 fc 0c 40 25 ec
  //          ca af e3 85 ec 3f c0 6c 54 eb cd 7b 07 b6 c7 e0 19 7c 5b 9e f8 86
  //          15 9a 15 85 ae 45 24 8f 86 5b e7 60 db 6f 5b c8 f8 68 fc 6a ef d0
  //          4e 34 ec b5 11 59 e4 cd cc 22 14 b4 2b 1c a9 ca ec 13 ba 3e 1b 2e
  //          7a 3c 73 69 77 b2 26 21 3d 26 5c 28 73 19 51 22 a9 b4 48 08 8c 8b
  //          50 ed d5 49 be 41 c3 8a b1 76 80 7b 75 e7 26 7f 86 e4 00 00 00 00
  //          00 00 00 00 00 00 00 00 00 00 00 01 df 00 00 00 00 00 00 00 00 00
  //          00 00 00 00 00 00 00 00 00} (length 0x1000) size: len = 0x1000 (2
  //          bytes)
  //        }
  //      }
  //    }
  //    len: len = 0x1006 (8 bytes)
  //  ]
  *(uint32_t*)0x2000000007c0 = 8;
  memcpy(
      (void*)0x2000000007c4,
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      "\x2b\x03\xdc\x96\x2c\xee\x38\xe6\x46\xcb\x18\xab\xb0\x79\xc7\x0d\x35\x7c"
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      "\x28\x73\x19\x51\x22\xa9\xb4\x48\x08\x8c\x8b\x50\xed\xd5\x49\xbe\x41\xc3"
      "\x8a\xb1\x76\x80\x7b\x75\xe7\x26\x7f\x86\xe4\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x01\xdf\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
      4096);
  *(uint16_t*)0x2000000017c4 = 0x1000;
  syscall(__NR_write, /*fd=*/(intptr_t)-1, /*data=*/0x2000000007c0ul,
          /*len=*/0x1006ul);
  //  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 31 00 00 00 00 00 00}
  //        (length 0x10) elem: ifindex (resource) pad = 0x0 (20 bytes)
  //      }
  //    }
  //  ]
  memcpy((void*)0x200000000100, "syzkaller1\000\000\000\000\000\000", 16);
  res = syscall(__NR_ioctl, /*fd=*/r[3], /*cmd=*/0x8933,
                /*arg=*/0x200000000100ul);
  if (res != -1)
    r[4] = *(uint32_t*)0x200000000110;
  //  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 = 0x601 (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 = 0x0 (2 bytes)
  //                      major: tcm_handle_offsets = 0x0 (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*)0x2000000012c0 = 0;
  *(uint32_t*)0x2000000012c8 = 0;
  *(uint64_t*)0x2000000012d0 = 0x200000000080;
  *(uint64_t*)0x200000000080 = 0x2000000000c0;
  *(uint32_t*)0x2000000000c0 = 0x30;
  *(uint16_t*)0x2000000000c4 = 0x24;
  *(uint16_t*)0x2000000000c6 = 0x601;
  *(uint32_t*)0x2000000000c8 = 0;
  *(uint32_t*)0x2000000000cc = 0;
  *(uint8_t*)0x2000000000d0 = 0;
  *(uint8_t*)0x2000000000d1 = 0;
  *(uint16_t*)0x2000000000d2 = 0;
  *(uint32_t*)0x2000000000d4 = r[4];
  *(uint16_t*)0x2000000000d8 = 0;
  *(uint16_t*)0x2000000000da = 0;
  *(uint16_t*)0x2000000000dc = 0xfff1;
  *(uint16_t*)0x2000000000de = -1;
  *(uint16_t*)0x2000000000e0 = 0;
  *(uint16_t*)0x2000000000e2 = 0;
  *(uint16_t*)0x2000000000e4 = 0xc;
  *(uint16_t*)0x2000000000e6 = 1;
  memcpy((void*)0x2000000000e8, "ingress\000", 8);
  *(uint64_t*)0x200000000088 = 0x30;
  *(uint64_t*)0x2000000012d8 = 1;
  *(uint64_t*)0x2000000012e0 = 0;
  *(uint64_t*)0x2000000012e8 = 0;
  *(uint32_t*)0x2000000012f0 = 0;
  syscall(__NR_sendmsg, /*fd=*/r[2], /*msg=*/0x2000000012c0ul, /*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 = 0x80 (4 bytes)
  //                  type: const = 0x2c (2 bytes)
  //                  flags: netlink_msg_flags = 0x601 (2 bytes)
  //                  seq: int32 = 0x0 (4 bytes)
  //                  pid: int32 = 0xfffffffe (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 = 0xb (2 bytes)
  //                      major: tcm_handle_offsets = 0x6 (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 = 0x0 (2 bytes)
  //                    }
  //                  }
  //                  attrs: array[filter_policy] {
  //                    union filter_policy {
  //                      filter_kind_options: union filter_kind_options {
  //                        f_matchall: tca_kind_options_t["matchall",
  //                        array[mall_policy]] {
  //                          TCA_KIND: nlattr_t[const[TCA_KIND, int16],
  //                          string["matchall"]] {
  //                            nla_len: offsetof = 0xd (2 bytes)
  //                            nla_type: const = 0x1 (2 bytes)
  //                            payload: buffer: {6d 61 74 63 68 61 6c 6c 00}
  //                            (length 0x9) size: buffer: {} (length 0x0) pad =
  //                            0x0 (3 bytes)
  //                          }
  //                          TCA_OPTIONS: nlattr_t[const[TCA_OPTIONS, int16],
  //                          array[mall_policy]] {
  //                            nla_len: offsetof = 0x4c (2 bytes)
  //                            nla_type: const = 0x2 (2 bytes)
  //                            payload: array[mall_policy] {
  //                              union mall_policy {
  //                                TCA_MATCHALL_ACT:
  //                                nlattr_t[const[TCA_MATCHALL_ACT, int16],
  //                                array[tca_actions]] {
  //                                  nla_len: offsetof = 0x48 (2 bytes)
  //                                  nla_type: const = 0x2 (2 bytes)
  //                                  payload: array[tca_actions] {
  //                                    union tca_actions {
  //                                      m_ct:
  //                                      nlattr_tt[int16:14[0:TCA_ACT_MAX_PRIO],
  //                                      0, 0, tcf_action_policy["ct",
  //                                      ct_policy]] {
  //                                        nla_len: offsetof = 0x44 (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_action_policy["ct", ct_policy] {
  //                                          TCA_ACT_KIND:
  //                                          nlattr_t[const[TCA_ACT_KIND,
  //                                          int16], string["ct"]] {
  //                                            nla_len: offsetof = 0x7 (2
  //                                            bytes) nla_type: const = 0x1 (2
  //                                            bytes) payload: buffer: {63 74
  //                                            00} (length 0x3) size: buffer:
  //                                            {} (length 0x0) pad = 0x0 (1
  //                                            bytes)
  //                                          }
  //                                          TCA_ACT_OPTIONS:
  //                                          nlattr_tt[const[TCA_ACT_OPTIONS,
  //                                          int16:14], 0, 1, array[ct_policy]]
  //                                          {
  //                                            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[ct_policy]
  //                                            {
  //                                              union ct_policy {
  //                                                TCA_CT_PARMS:
  //                                                nlattr_t[const[TCA_CT_PARMS,
  //                                                int16], tc_gen] {
  //                                                  nla_len: offsetof = 0x18
  //                                                  (2 bytes) nla_type: const
  //                                                  = 0x1 (2 bytes) payload:
  //                                                  tc_gen {
  //                                                    index: int32 = 0x8 (4
  //                                                    bytes) capab: int32 =
  //                                                    0xfff (4 bytes) action:
  //                                                    tc_actions = 0x10000000
  //                                                    (4 bytes) refcnt: int32
  //                                                    = 0x7 (4 bytes) bindcnt:
  //                                                    int32 = 0xccb (4 bytes)
  //                                                  }
  //                                                  size: buffer: {} (length
  //                                                  0x0)
  //                                                }
  //                                              }
  //                                            }
  //                                            size: buffer: {} (length 0x0)
  //                                          }
  //                                          TCA_ACT_COOKIE:
  //                                          nlattr_t[const[TCA_ACT_COOKIE,
  //                                          int16], array[int8]] {
  //                                            nla_len: offsetof = 0x4 (2
  //                                            bytes) nla_type: const = 0x6 (2
  //                                            bytes) payload: buffer: {}
  //                                            (length 0x0) size: buffer: {}
  //                                            (length 0x0)
  //                                          }
  //                                          TCA_ACT_FLAGS:
  //                                          nlattr_t[const[TCA_ACT_FLAGS,
  //                                          int16],
  //                                          nla_bitfield32[tcf_action_policy_flags]]
  //                                          {
  //                                            nla_len: offsetof = 0xc (2
  //                                            bytes) nla_type: const = 0x7 (2
  //                                            bytes) payload:
  //                                            nla_bitfield32[tcf_action_policy_flags]
  //                                            {
  //                                              value: tcf_action_policy_flags
  //                                              = 0x0 (4 bytes) selector:
  //                                              tcf_action_policy_flags = 0x0
  //                                              (4 bytes)
  //                                            }
  //                                            size: buffer: {} (length 0x0)
  //                                          }
  //                                          TCA_ACT_HW_STATS:
  //                                          nlattr_t[const[TCA_ACT_HW_STATS,
  //                                          int16],
  //                                          nla_bitfield32[tcf_action_policy_hw_stats]]
  //                                          {
  //                                            nla_len: offsetof = 0xc (2
  //                                            bytes) nla_type: const = 0x8 (2
  //                                            bytes) payload:
  //                                            nla_bitfield32[tcf_action_policy_hw_stats]
  //                                            {
  //                                              value:
  //                                              tcf_action_policy_hw_stats =
  //                                              0x0 (4 bytes) selector:
  //                                              tcf_action_policy_hw_stats =
  //                                              0x0 (4 bytes)
  //                                            }
  //                                            size: buffer: {} (length 0x0)
  //                                          }
  //                                        }
  //                                        size: buffer: {} (length 0x0)
  //                                      }
  //                                    }
  //                                  }
  //                                  size: buffer: {} (length 0x0)
  //                                }
  //                              }
  //                            }
  //                            size: buffer: {} (length 0x0)
  //                          }
  //                        }
  //                      }
  //                    }
  //                  }
  //                }
  //              }
  //            }
  //            len: len = 0x80 (8 bytes)
  //          }
  //        }
  //        vlen: const = 0x1 (8 bytes)
  //        ctrl: const = 0x0 (8 bytes)
  //        ctrllen: const = 0x0 (8 bytes)
  //        f: send_flags = 0x24000000 (4 bytes)
  //        pad = 0x0 (4 bytes)
  //      }
  //    }
  //    f: send_flags = 0x0 (8 bytes)
  //  ]
  *(uint64_t*)0x200000000580 = 0;
  *(uint32_t*)0x200000000588 = 0;
  *(uint64_t*)0x200000000590 = 0x200000000300;
  *(uint64_t*)0x200000000300 = 0x200000000340;
  *(uint32_t*)0x200000000340 = 0x80;
  *(uint16_t*)0x200000000344 = 0x2c;
  *(uint16_t*)0x200000000346 = 0x601;
  *(uint32_t*)0x200000000348 = 0;
  *(uint32_t*)0x20000000034c = 0xfffffffe;
  *(uint8_t*)0x200000000350 = 0;
  *(uint8_t*)0x200000000351 = 0;
  *(uint16_t*)0x200000000352 = 0;
  *(uint32_t*)0x200000000354 = r[4];
  *(uint16_t*)0x200000000358 = 0xb;
  *(uint16_t*)0x20000000035a = 6;
  *(uint16_t*)0x20000000035c = -1;
  *(uint16_t*)0x20000000035e = -1;
  *(uint16_t*)0x200000000360 = 0x300;
  *(uint16_t*)0x200000000362 = 0;
  *(uint16_t*)0x200000000364 = 0xd;
  *(uint16_t*)0x200000000366 = 1;
  memcpy((void*)0x200000000368, "matchall\000", 9);
  *(uint16_t*)0x200000000374 = 0x4c;
  *(uint16_t*)0x200000000376 = 2;
  *(uint16_t*)0x200000000378 = 0x48;
  *(uint16_t*)0x20000000037a = 2;
  *(uint16_t*)0x20000000037c = 0x44;
  STORE_BY_BITMASK(uint16_t, , 0x20000000037e, 1, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x20000000037f, 0, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x20000000037f, 0, 7, 1);
  *(uint16_t*)0x200000000380 = 7;
  *(uint16_t*)0x200000000382 = 1;
  memcpy((void*)0x200000000384, "ct\000", 3);
  *(uint16_t*)0x200000000388 = 0x1c;
  STORE_BY_BITMASK(uint16_t, , 0x20000000038a, 2, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x20000000038b, 0, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x20000000038b, 1, 7, 1);
  *(uint16_t*)0x20000000038c = 0x18;
  *(uint16_t*)0x20000000038e = 1;
  *(uint32_t*)0x200000000390 = 8;
  *(uint32_t*)0x200000000394 = 0xfff;
  *(uint32_t*)0x200000000398 = 0x10000000;
  *(uint32_t*)0x20000000039c = 7;
  *(uint32_t*)0x2000000003a0 = 0xccb;
  *(uint16_t*)0x2000000003a4 = 4;
  *(uint16_t*)0x2000000003a6 = 6;
  *(uint16_t*)0x2000000003a8 = 0xc;
  *(uint16_t*)0x2000000003aa = 7;
  *(uint32_t*)0x2000000003ac = 0;
  *(uint32_t*)0x2000000003b0 = 0;
  *(uint16_t*)0x2000000003b4 = 0xc;
  *(uint16_t*)0x2000000003b6 = 8;
  *(uint32_t*)0x2000000003b8 = 0;
  *(uint32_t*)0x2000000003bc = 0;
  *(uint64_t*)0x200000000308 = 0x80;
  *(uint64_t*)0x200000000598 = 1;
  *(uint64_t*)0x2000000005a0 = 0;
  *(uint64_t*)0x2000000005a8 = 0;
  *(uint32_t*)0x2000000005b0 = 0x24000000;
  syscall(__NR_sendmsg, /*fd=*/r[2], /*msg=*/0x200000000580ul, /*f=*/0ul);
  //  write$tun arguments: [
  //    fd: fd_tun (resource)
  //    buf: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //        union ANYUNION {
  //          ANYBLOB: buffer: {00 00 86 dd 00 00 11 00 05 00 00 00 a6 0c 6b 63
  //          85 1e 0f 98 2c} (length 0x15)
  //        }
  //      }
  //    }
  //    count: len = 0xfce (8 bytes)
  //  ]
  memcpy((void*)0x200000001280,
         "\x00\x00\x86\xdd\x00\x00\x11\x00\x05\x00\x00\x00\xa6\x0c\x6b\x63\x85"
         "\x1e\x0f\x98\x2c",
         21);
  syscall(__NR_write, /*fd=*/r[0], /*buf=*/0x200000001280ul, /*count=*/0xfceul);
}
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;
  loop();
  return 0;
}