// https://syzkaller.appspot.com/bug?id=a16af79585ded0ed5862f2eb9f6d125f39300c6f
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <setjmp.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>

#ifndef __NR_close_range
#define __NR_close_range 436
#endif

static __thread int clone_ongoing;
static __thread int skip_segv;
static __thread jmp_buf segv_env;

static void segv_handler(int sig, siginfo_t* info, void* ctx)
{
  if (__atomic_load_n(&clone_ongoing, __ATOMIC_RELAXED) != 0) {
    exit(sig);
  }
  uintptr_t addr = (uintptr_t)info->si_addr;
  const uintptr_t prog_start = 1 << 20;
  const uintptr_t prog_end = 100 << 20;
  int skip = __atomic_load_n(&skip_segv, __ATOMIC_RELAXED) != 0;
  int valid = addr < prog_start || addr > prog_end;
  if (skip && valid) {
    _longjmp(segv_env, 1);
  }
  exit(sig);
}

static void install_segv_handler(void)
{
  struct sigaction sa;
  memset(&sa, 0, sizeof(sa));
  sa.sa_handler = SIG_IGN;
  syscall(SYS_rt_sigaction, 0x20, &sa, NULL, 8);
  syscall(SYS_rt_sigaction, 0x21, &sa, NULL, 8);
  memset(&sa, 0, sizeof(sa));
  sa.sa_sigaction = segv_handler;
  sa.sa_flags = SA_NODEFER | SA_SIGINFO;
  sigaction(SIGSEGV, &sa, NULL);
  sigaction(SIGBUS, &sa, NULL);
}

#define NONFAILING(...)                                                        \
  ({                                                                           \
    int ok = 1;                                                                \
    __atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
    if (_setjmp(segv_env) == 0) {                                              \
      __VA_ARGS__;                                                             \
    } else                                                                     \
      ok = 0;                                                                  \
    __atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
    ok;                                                                        \
  })

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 long syz_open_dev(volatile long a0, volatile long a1, volatile long a2)
{
  if (a0 == 0xc || a0 == 0xb) {
    char buf[128];
    sprintf(buf, "/dev/%s/%d:%d", a0 == 0xc ? "char" : "block", (uint8_t)a1,
            (uint8_t)a2);
    return open(buf, O_RDWR, 0);
  } else {
    unsigned long nb = a1;
    char buf[1024];
    char* hash;
    strncpy(buf, (char*)a0, sizeof(buf) - 1);
    buf[sizeof(buf) - 1] = 0;
    while ((hash = strchr(buf, '#'))) {
      *hash = '0' + (char)(nb % 10);
      nb /= 10;
    }
    return open(buf, a2 & ~O_CREAT, 0);
  }
}

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

void execute_one(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  //  syz_open_dev$sndpcmc arguments: [
  //    dev: nil
  //    id: intptr = 0x1 (8 bytes)
  //    flags: open_flags = 0x2 (8 bytes)
  //  ]
  //  returns fd_snd_dsp
  res = -1;
  NONFAILING(res = syz_open_dev(/*dev=*/0, /*id=*/1, /*flags=O_RDWR*/ 2));
  if (res != -1)
    r[0] = res;
  //  ioctl$SNDRV_PCM_IOCTL_HW_PARAMS arguments: [
  //    fd: fd_snd_dsp (resource)
  //    cmd: const = 0xc2604111 (4 bytes)
  //    arg: ptr[in, snd_pcm_hw_params] {
  //      snd_pcm_hw_params {
  //        flags: int32 = 0x0 (4 bytes)
  //        masks: array[array[int32]] {
  //          array[int32] {
  //            int32 = 0x14 (4 bytes)
  //            int32 = 0xffffffff (4 bytes)
  //            int32 = 0xfffffbff (4 bytes)
  //            int32 = 0x3 (4 bytes)
  //            int32 = 0x7 (4 bytes)
  //            int32 = 0xfffffffc (4 bytes)
  //            int32 = 0xfffffffb (4 bytes)
  //            int32 = 0xffffffff (4 bytes)
  //          }
  //          array[int32] {
  //            int32 = 0xffffffff (4 bytes)
  //            int32 = 0xffffffff (4 bytes)
  //            int32 = 0xffffffff (4 bytes)
  //            int32 = 0xffffffff (4 bytes)
  //            int32 = 0x7 (4 bytes)
  //            int32 = 0xffffffff (4 bytes)
  //            int32 = 0xffffffff (4 bytes)
  //            int32 = 0xffffffff (4 bytes)
  //          }
  //          array[int32] {
  //            int32 = 0x1 (4 bytes)
  //            int32 = 0xffffffff (4 bytes)
  //            int32 = 0x1 (4 bytes)
  //            int32 = 0xffffffff (4 bytes)
  //            int32 = 0xffffffff (4 bytes)
  //            int32 = 0xffffffff (4 bytes)
  //            int32 = 0xffffffff (4 bytes)
  //            int32 = 0x4 (4 bytes)
  //          }
  //        }
  //        mres: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  //        00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  //        00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  //        00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  //        00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  //        00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  //        00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  //        00 00 00 00} (length 0xa0) intervals: array[snd_interval] {
  //          snd_interval {
  //            min: int32 = 0x10 (4 bytes)
  //            max: int32 = 0x10 (4 bytes)
  //            openmin: int32 = 0x0 (0 bytes)
  //            openmax: int32 = 0x0 (0 bytes)
  //            integer: int32 = 0x1 (0 bytes)
  //            empty: int32 = 0x0 (1 bytes)
  //            pad = 0x0 (3 bytes)
  //          }
  //          snd_interval {
  //            min: int32 = 0x20 (4 bytes)
  //            max: int32 = 0x20 (4 bytes)
  //            openmin: int32 = 0x0 (0 bytes)
  //            openmax: int32 = 0x0 (0 bytes)
  //            integer: int32 = 0x1 (0 bytes)
  //            empty: int32 = 0x0 (1 bytes)
  //            pad = 0x0 (3 bytes)
  //          }
  //          snd_interval {
  //            min: int32 = 0x2 (4 bytes)
  //            max: int32 = 0x2 (4 bytes)
  //            openmin: int32 = 0x0 (0 bytes)
  //            openmax: int32 = 0x0 (0 bytes)
  //            integer: int32 = 0x1 (0 bytes)
  //            empty: int32 = 0x0 (1 bytes)
  //            pad = 0x0 (3 bytes)
  //          }
  //          snd_interval {
  //            min: int32 = 0xac44 (4 bytes)
  //            max: int32 = 0xac44 (4 bytes)
  //            openmin: int32 = 0x0 (0 bytes)
  //            openmax: int32 = 0x0 (0 bytes)
  //            integer: int32 = 0x1 (0 bytes)
  //            empty: int32 = 0x0 (1 bytes)
  //            pad = 0x0 (3 bytes)
  //          }
  //          snd_interval {
  //            min: int32 = 0x1388 (4 bytes)
  //            max: int32 = 0x186a0 (4 bytes)
  //            openmin: int32 = 0x0 (0 bytes)
  //            openmax: int32 = 0x0 (0 bytes)
  //            integer: int32 = 0x1 (0 bytes)
  //            empty: int32 = 0x0 (1 bytes)
  //            pad = 0x0 (3 bytes)
  //          }
  //          snd_interval {
  //            min: int32 = 0x7 (4 bytes)
  //            max: int32 = 0x400 (4 bytes)
  //            openmin: int32 = 0x0 (0 bytes)
  //            openmax: int32 = 0x0 (0 bytes)
  //            integer: int32 = 0x1 (0 bytes)
  //            empty: int32 = 0x0 (1 bytes)
  //            pad = 0x0 (3 bytes)
  //          }
  //          snd_interval {
  //            min: int32 = 0x1b (4 bytes)
  //            max: int32 = 0x1000 (4 bytes)
  //            openmin: int32 = 0x0 (0 bytes)
  //            openmax: int32 = 0x0 (0 bytes)
  //            integer: int32 = 0x1 (0 bytes)
  //            empty: int32 = 0x0 (1 bytes)
  //            pad = 0x0 (3 bytes)
  //          }
  //          snd_interval {
  //            min: int32 = 0x2 (4 bytes)
  //            max: int32 = 0x8 (4 bytes)
  //            openmin: int32 = 0x0 (0 bytes)
  //            openmax: int32 = 0x0 (0 bytes)
  //            integer: int32 = 0x1 (0 bytes)
  //            empty: int32 = 0x0 (1 bytes)
  //            pad = 0x0 (3 bytes)
  //          }
  //          snd_interval {
  //            min: int32 = 0x2710 (4 bytes)
  //            max: int32 = 0xf423e (4 bytes)
  //            openmin: int32 = 0x0 (0 bytes)
  //            openmax: int32 = 0x0 (0 bytes)
  //            integer: int32 = 0x1 (0 bytes)
  //            empty: int32 = 0x0 (1 bytes)
  //            pad = 0x0 (3 bytes)
  //          }
  //          snd_interval {
  //            min: int32 = 0x400 (4 bytes)
  //            max: int32 = 0x1000 (4 bytes)
  //            openmin: int32 = 0x0 (0 bytes)
  //            openmax: int32 = 0x0 (0 bytes)
  //            integer: int32 = 0x1 (0 bytes)
  //            empty: int32 = 0x0 (1 bytes)
  //            pad = 0x0 (3 bytes)
  //          }
  //          snd_interval {
  //            min: int32 = 0x1002 (4 bytes)
  //            max: int32 = 0x4000 (4 bytes)
  //            openmin: int32 = 0x0 (0 bytes)
  //            openmax: int32 = 0x0 (0 bytes)
  //            integer: int32 = 0x1 (0 bytes)
  //            empty: int32 = 0x0 (1 bytes)
  //            pad = 0x0 (3 bytes)
  //          }
  //          snd_interval {
  //            min: int32 = 0x0 (4 bytes)
  //            max: int32 = 0xf4240 (4 bytes)
  //            openmin: int32 = 0x0 (0 bytes)
  //            openmax: int32 = 0x0 (0 bytes)
  //            integer: int32 = 0x1 (0 bytes)
  //            empty: int32 = 0x0 (1 bytes)
  //            pad = 0x0 (3 bytes)
  //          }
  //        }
  //        ires: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  //        00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  //        00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  //        00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  //        00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00}
  //        (length 0x6c) rmask: int32 = 0x0 (4 bytes) cmask: const = 0x0 (4
  //        bytes) info: const = 0x0 (4 bytes) msbits: const = 0x0 (4 bytes)
  //        rate_num: const = 0x0 (4 bytes)
  //        rate_den: const = 0x0 (4 bytes)
  //        fifo_size: const = 0x0 (8 bytes)
  //        reserved: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  //        00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  //        00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  //        00 00} (length 0x40)
  //      }
  //    }
  //  ]
  NONFAILING(*(uint32_t*)0x200000000340 = 0);
  NONFAILING(*(uint32_t*)0x200000000344 = 0x14);
  NONFAILING(*(uint32_t*)0x200000000348 = -1);
  NONFAILING(*(uint32_t*)0x20000000034c = 0xfffffbff);
  NONFAILING(*(uint32_t*)0x200000000350 = 3);
  NONFAILING(*(uint32_t*)0x200000000354 = 7);
  NONFAILING(*(uint32_t*)0x200000000358 = 0xfffffffc);
  NONFAILING(*(uint32_t*)0x20000000035c = 0xfffffffb);
  NONFAILING(*(uint32_t*)0x200000000360 = -1);
  NONFAILING(*(uint32_t*)0x200000000364 = -1);
  NONFAILING(*(uint32_t*)0x200000000368 = -1);
  NONFAILING(*(uint32_t*)0x20000000036c = -1);
  NONFAILING(*(uint32_t*)0x200000000370 = -1);
  NONFAILING(*(uint32_t*)0x200000000374 = 7);
  NONFAILING(*(uint32_t*)0x200000000378 = -1);
  NONFAILING(*(uint32_t*)0x20000000037c = -1);
  NONFAILING(*(uint32_t*)0x200000000380 = -1);
  NONFAILING(*(uint32_t*)0x200000000384 = 1);
  NONFAILING(*(uint32_t*)0x200000000388 = -1);
  NONFAILING(*(uint32_t*)0x20000000038c = 1);
  NONFAILING(*(uint32_t*)0x200000000390 = -1);
  NONFAILING(*(uint32_t*)0x200000000394 = -1);
  NONFAILING(*(uint32_t*)0x200000000398 = -1);
  NONFAILING(*(uint32_t*)0x20000000039c = -1);
  NONFAILING(*(uint32_t*)0x2000000003a0 = 4);
  NONFAILING(memset((void*)0x2000000003a4, 0, 160));
  NONFAILING(*(uint32_t*)0x200000000444 = 0x10);
  NONFAILING(*(uint32_t*)0x200000000448 = 0x10);
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x20000000044c, 0, 0, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x20000000044c, 0, 1, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x20000000044c, 1, 2, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x20000000044c, 0, 3, 1));
  NONFAILING(*(uint32_t*)0x200000000450 = 0x20);
  NONFAILING(*(uint32_t*)0x200000000454 = 0x20);
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x200000000458, 0, 0, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x200000000458, 0, 1, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x200000000458, 1, 2, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x200000000458, 0, 3, 1));
  NONFAILING(*(uint32_t*)0x20000000045c = 2);
  NONFAILING(*(uint32_t*)0x200000000460 = 2);
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x200000000464, 0, 0, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x200000000464, 0, 1, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x200000000464, 1, 2, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x200000000464, 0, 3, 1));
  NONFAILING(*(uint32_t*)0x200000000468 = 0xac44);
  NONFAILING(*(uint32_t*)0x20000000046c = 0xac44);
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x200000000470, 0, 0, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x200000000470, 0, 1, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x200000000470, 1, 2, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x200000000470, 0, 3, 1));
  NONFAILING(*(uint32_t*)0x200000000474 = 0x1388);
  NONFAILING(*(uint32_t*)0x200000000478 = 0x186a0);
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x20000000047c, 0, 0, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x20000000047c, 0, 1, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x20000000047c, 1, 2, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x20000000047c, 0, 3, 1));
  NONFAILING(*(uint32_t*)0x200000000480 = 7);
  NONFAILING(*(uint32_t*)0x200000000484 = 0x400);
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x200000000488, 0, 0, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x200000000488, 0, 1, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x200000000488, 1, 2, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x200000000488, 0, 3, 1));
  NONFAILING(*(uint32_t*)0x20000000048c = 0x1b);
  NONFAILING(*(uint32_t*)0x200000000490 = 0x1000);
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x200000000494, 0, 0, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x200000000494, 0, 1, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x200000000494, 1, 2, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x200000000494, 0, 3, 1));
  NONFAILING(*(uint32_t*)0x200000000498 = 2);
  NONFAILING(*(uint32_t*)0x20000000049c = 8);
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x2000000004a0, 0, 0, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x2000000004a0, 0, 1, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x2000000004a0, 1, 2, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x2000000004a0, 0, 3, 1));
  NONFAILING(*(uint32_t*)0x2000000004a4 = 0x2710);
  NONFAILING(*(uint32_t*)0x2000000004a8 = 0xf423e);
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x2000000004ac, 0, 0, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x2000000004ac, 0, 1, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x2000000004ac, 1, 2, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x2000000004ac, 0, 3, 1));
  NONFAILING(*(uint32_t*)0x2000000004b0 = 0x400);
  NONFAILING(*(uint32_t*)0x2000000004b4 = 0x1000);
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x2000000004b8, 0, 0, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x2000000004b8, 0, 1, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x2000000004b8, 1, 2, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x2000000004b8, 0, 3, 1));
  NONFAILING(*(uint32_t*)0x2000000004bc = 0x1002);
  NONFAILING(*(uint32_t*)0x2000000004c0 = 0x4000);
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x2000000004c4, 0, 0, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x2000000004c4, 0, 1, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x2000000004c4, 1, 2, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x2000000004c4, 0, 3, 1));
  NONFAILING(*(uint32_t*)0x2000000004c8 = 0);
  NONFAILING(*(uint32_t*)0x2000000004cc = 0xf4240);
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x2000000004d0, 0, 0, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x2000000004d0, 0, 1, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x2000000004d0, 1, 2, 1));
  NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x2000000004d0, 0, 3, 1));
  NONFAILING(memset((void*)0x2000000004d4, 0, 108));
  NONFAILING(*(uint32_t*)0x200000000540 = 0);
  NONFAILING(*(uint32_t*)0x200000000544 = 0);
  NONFAILING(*(uint32_t*)0x200000000548 = 0);
  NONFAILING(*(uint32_t*)0x20000000054c = 0);
  NONFAILING(*(uint32_t*)0x200000000550 = 0);
  NONFAILING(*(uint32_t*)0x200000000554 = 0);
  NONFAILING(*(uint64_t*)0x200000000558 = 0);
  NONFAILING(memset((void*)0x200000000560, 0, 64));
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0xc2604111,
          /*arg=*/0x200000000340ul);
  //  ioctl$SNDRV_PCM_IOCTL_PREPARE arguments: [
  //    fd: fd_snd_dsp (resource)
  //    cmd: const = 0x4140 (4 bytes)
  //    arg: const = 0x0 (8 bytes)
  //  ]
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x4140, /*arg=*/0ul);
  //  socket$inet6_tcp arguments: [
  //    domain: const = 0xa (8 bytes)
  //    type: const = 0x1 (8 bytes)
  //    proto: const = 0x0 (4 bytes)
  //  ]
  //  returns sock_tcp6
  res = syscall(__NR_socket, /*domain=*/0xaul, /*type=*/1ul, /*proto=*/0);
  if (res != -1)
    r[1] = res;
  //  write arguments: [
  //    fd: fd (resource)
  //    buf: ptr[in, buffer] {
  //      buffer: {38 00 00 00 3b 00 05 00 02 00 00 00 00 00 00 00 0a 01 00 00
  //      24 00 01 00 53 4d 43 2d 42 50 46 54 45 53 54 2d 55 45 49 44 20 20 20
  //      20 20 20 20 20 20 20 20 20 20 20 20 20} (length 0x38)
  //    }
  //    count: len = 0x38 (8 bytes)
  //  ]
  NONFAILING(memcpy((void*)0x200000000140,
                    "\x38\x00\x00\x00\x3b\x00\x05\x00\x02\x00\x00\x00\x00\x00"
                    "\x00\x00\x0a\x01\x00\x00\x24\x00\x01\x00\x53\x4d\x43\x2d"
                    "\x42\x50\x46\x54\x45\x53\x54\x2d\x55\x45\x49\x44\x20\x20"
                    "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20",
                    56));
  syscall(__NR_write, /*fd=*/(intptr_t)-1, /*buf=*/0x200000000140ul,
          /*count=*/0x38ul);
  //  socket$inet_smc arguments: [
  //    domain: const = 0x2b (8 bytes)
  //    type: const = 0x1 (8 bytes)
  //    proto: const = 0x0 (4 bytes)
  //  ]
  //  returns sock_tcp
  res = syscall(__NR_socket, /*domain=*/0x2bul, /*type=*/1ul, /*proto=*/0);
  if (res != -1)
    r[2] = res;
  //  bind$inet arguments: [
  //    fd: sock_in (resource)
  //    addr: ptr[in, sockaddr_in] {
  //      sockaddr_in {
  //        family: const = 0x2 (2 bytes)
  //        port: int16be = 0x5000 (2 bytes)
  //        addr: union ipv4_addr {
  //          loopback: const = 0x7f000001 (4 bytes)
  //        }
  //        pad = 0x0 (8 bytes)
  //      }
  //    }
  //    addrlen: len = 0x10 (8 bytes)
  //  ]
  NONFAILING(*(uint16_t*)0x200000000040 = 2);
  NONFAILING(*(uint16_t*)0x200000000042 = htobe16(0x5000));
  NONFAILING(*(uint32_t*)0x200000000044 = htobe32(0x7f000001));
  syscall(__NR_bind, /*fd=*/r[2], /*addr=*/0x200000000040ul,
          /*addrlen=*/0x10ul);
  //  listen arguments: [
  //    fd: sock (resource)
  //    backlog: int32 = 0xa (4 bytes)
  //  ]
  syscall(__NR_listen, /*fd=*/r[2], /*backlog=*/0xa);
  //  socket$inet_smc arguments: [
  //    domain: const = 0x2b (8 bytes)
  //    type: const = 0x1 (8 bytes)
  //    proto: const = 0x0 (4 bytes)
  //  ]
  //  returns sock_tcp
  res = syscall(__NR_socket, /*domain=*/0x2bul, /*type=*/1ul, /*proto=*/0);
  if (res != -1)
    r[3] = res;
  //  connect$inet arguments: [
  //    fd: sock_in (resource)
  //    addr: ptr[in, sockaddr_in] {
  //      sockaddr_in {
  //        family: const = 0x2 (2 bytes)
  //        port: int16be = 0x5000 (2 bytes)
  //        addr: union ipv4_addr {
  //          loopback: const = 0x7f000001 (4 bytes)
  //        }
  //        pad = 0x0 (8 bytes)
  //      }
  //    }
  //    addrlen: len = 0x10 (8 bytes)
  //  ]
  NONFAILING(*(uint16_t*)0x200000000040 = 2);
  NONFAILING(*(uint16_t*)0x200000000042 = htobe16(0x5000));
  NONFAILING(*(uint32_t*)0x200000000044 = htobe32(0x7f000001));
  syscall(__NR_connect, /*fd=*/r[3], /*addr=*/0x200000000040ul,
          /*addrlen=*/0x10ul);
  //  close_range arguments: [
  //    fd: fd (resource)
  //    max_fd: fd (resource)
  //    flags: close_range_flags = 0x0 (8 bytes)
  //  ]
  syscall(__NR_close_range, /*fd=*/r[1], /*max_fd=*/(intptr_t)-1,
          /*flags=*/0ul);
}
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;
  install_segv_handler();
  loop();
  return 0;
}