// https://syzkaller.appspot.com/bug?id=729e4916dabef2efe7f4b4ea31a476284cac9336
// 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>

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[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  //  perf_event_open arguments: [
  //    attr: ptr[in, perf_event_attr] {
  //      perf_event_attr {
  //        type: perf_event_type = 0x2 (4 bytes)
  //        size: len = 0x80 (4 bytes)
  //        config0: int8 = 0x29 (1 bytes)
  //        config1: int8 = 0x1 (1 bytes)
  //        config2: int8 = 0x0 (1 bytes)
  //        config3: int8 = 0x0 (1 bytes)
  //        config4: const = 0x0 (4 bytes)
  //        sample_freq: int64 = 0x4 (8 bytes)
  //        sample_type: perf_sample_type = 0x510 (8 bytes)
  //        read_format: perf_read_format = 0x0 (8 bytes)
  //        disabled: int64 = 0x0 (0 bytes)
  //        inherit: int64 = 0x0 (0 bytes)
  //        pinned: int64 = 0x0 (0 bytes)
  //        exclusive: int64 = 0x0 (0 bytes)
  //        exclude_user: int64 = 0x0 (0 bytes)
  //        exclude_kernel: int64 = 0x0 (0 bytes)
  //        exclude_hv: int64 = 0x0 (0 bytes)
  //        exclude_idle: int64 = 0x0 (0 bytes)
  //        mmap: int64 = 0x0 (0 bytes)
  //        comm: int64 = 0x0 (0 bytes)
  //        freq: int64 = 0x0 (0 bytes)
  //        inherit_stat: int64 = 0x0 (0 bytes)
  //        enable_on_exec: int64 = 0x0 (0 bytes)
  //        task: int64 = 0x0 (0 bytes)
  //        watermark: int64 = 0x0 (0 bytes)
  //        precise_ip: int64 = 0x0 (0 bytes)
  //        mmap_data: int64 = 0x0 (0 bytes)
  //        sample_id_all: int64 = 0x0 (0 bytes)
  //        exclude_host: int64 = 0x0 (0 bytes)
  //        exclude_guest: int64 = 0x0 (0 bytes)
  //        exclude_callchain_kernel: int64 = 0x0 (0 bytes)
  //        exclude_callchain_user: int64 = 0x0 (0 bytes)
  //        mmap2: int64 = 0x0 (0 bytes)
  //        comm_exec: int64 = 0x0 (0 bytes)
  //        use_clockid: int64 = 0x0 (0 bytes)
  //        context_switch: int64 = 0x0 (0 bytes)
  //        write_backward: int64 = 0x0 (0 bytes)
  //        namespaces: int64 = 0x0 (0 bytes)
  //        ksymbol: int64 = 0x0 (0 bytes)
  //        bpf_event: int64 = 0x0 (0 bytes)
  //        aux_output: int64 = 0x0 (0 bytes)
  //        cgroup: int64 = 0x0 (0 bytes)
  //        text_poke: int64 = 0x0 (0 bytes)
  //        build_id: int64 = 0x0 (0 bytes)
  //        inherit_thread: int64 = 0x0 (0 bytes)
  //        remove_on_exec: int64 = 0x0 (0 bytes)
  //        sigtrap: int64 = 0x0 (0 bytes)
  //        __reserved_1: const = 0x0 (8 bytes)
  //        wakeup_events: int32 = 0x2 (4 bytes)
  //        bp_type: perf_bp_type = 0x2 (4 bytes)
  //        bp_config: union perf_bp_config {
  //          perf_config_ext: perf_config_ext {
  //            config1: int64 = 0xce5 (8 bytes)
  //            config2: int64 = 0xc (8 bytes)
  //          }
  //        }
  //        branch_sample_type: perf_branch_sample_type = 0x0 (8 bytes)
  //        sample_regs_user: int64 = 0xfffe (8 bytes)
  //        sample_stack_user: int32 = 0x0 (4 bytes)
  //        clockid: clock_type = 0x3 (4 bytes)
  //        sample_regs_intr: int64 = 0x8 (8 bytes)
  //        aux_watermark: int32 = 0x20005 (4 bytes)
  //        sample_max_stack: int16 = 0x0 (2 bytes)
  //        __reserved_2: const = 0x0 (2 bytes)
  //        aux_sample_size: int32 = 0x0 (4 bytes)
  //        __reserved_3: const = 0x0 (4 bytes)
  //        sig_data: int64 = 0x3 (8 bytes)
  //      }
  //    }
  //    pid: pid (resource)
  //    cpu: intptr = 0xffffffffffffffff (8 bytes)
  //    group: fd_perf (resource)
  //    flags: perf_flags = 0x2 (8 bytes)
  //  ]
  //  returns fd_perf
  *(uint32_t*)0x200000000340 = 2;
  *(uint32_t*)0x200000000344 = 0x80;
  *(uint8_t*)0x200000000348 = 0x29;
  *(uint8_t*)0x200000000349 = 1;
  *(uint8_t*)0x20000000034a = 0;
  *(uint8_t*)0x20000000034b = 0;
  *(uint32_t*)0x20000000034c = 0;
  *(uint64_t*)0x200000000350 = 4;
  *(uint64_t*)0x200000000358 = 0x510;
  *(uint64_t*)0x200000000360 = 0;
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 0, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 1, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 2, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 3, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 4, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 5, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 6, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 7, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 8, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 9, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 10, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 11, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 12, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 13, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 14, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 15, 2);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 17, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 18, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 19, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 20, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 21, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 22, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 23, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 24, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 25, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 26, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 27, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 28, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 29, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 30, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 31, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 32, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 33, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 34, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 35, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 36, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 37, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000368, 0, 38, 26);
  *(uint32_t*)0x200000000370 = 2;
  *(uint32_t*)0x200000000374 = 2;
  *(uint64_t*)0x200000000378 = 0xce5;
  *(uint64_t*)0x200000000380 = 0xc;
  *(uint64_t*)0x200000000388 = 0;
  *(uint64_t*)0x200000000390 = 0xfffe;
  *(uint32_t*)0x200000000398 = 0;
  *(uint32_t*)0x20000000039c = 3;
  *(uint64_t*)0x2000000003a0 = 8;
  *(uint32_t*)0x2000000003a8 = 0x20005;
  *(uint16_t*)0x2000000003ac = 0;
  *(uint16_t*)0x2000000003ae = 0;
  *(uint32_t*)0x2000000003b0 = 0;
  *(uint32_t*)0x2000000003b4 = 0;
  *(uint64_t*)0x2000000003b8 = 3;
  syscall(__NR_perf_event_open, /*attr=*/0x200000000340ul, /*pid=*/0,
          /*cpu=*/(intptr_t)-1, /*group=*/(intptr_t)-1,
          /*flags=PERF_FLAG_FD_OUTPUT*/ 2ul);
  //  perf_event_open arguments: [
  //    attr: ptr[in, perf_event_attr] {
  //      perf_event_attr {
  //        type: perf_event_type = 0x2 (4 bytes)
  //        size: len = 0x80 (4 bytes)
  //        config0: int8 = 0x8a (1 bytes)
  //        config1: int8 = 0x3 (1 bytes)
  //        config2: int8 = 0x0 (1 bytes)
  //        config3: int8 = 0x3 (1 bytes)
  //        config4: const = 0x0 (4 bytes)
  //        sample_freq: int64 = 0x10000000000 (8 bytes)
  //        sample_type: perf_sample_type = 0x8880 (8 bytes)
  //        read_format: perf_read_format = 0x6 (8 bytes)
  //        disabled: int64 = 0x0 (0 bytes)
  //        inherit: int64 = 0x0 (0 bytes)
  //        pinned: int64 = 0x0 (0 bytes)
  //        exclusive: int64 = 0x0 (0 bytes)
  //        exclude_user: int64 = 0x0 (0 bytes)
  //        exclude_kernel: int64 = 0x0 (0 bytes)
  //        exclude_hv: int64 = 0x0 (0 bytes)
  //        exclude_idle: int64 = 0x0 (0 bytes)
  //        mmap: int64 = 0x0 (0 bytes)
  //        comm: int64 = 0x0 (0 bytes)
  //        freq: int64 = 0x0 (0 bytes)
  //        inherit_stat: int64 = 0x0 (0 bytes)
  //        enable_on_exec: int64 = 0x0 (0 bytes)
  //        task: int64 = 0x0 (0 bytes)
  //        watermark: int64 = 0x0 (0 bytes)
  //        precise_ip: int64 = 0x0 (0 bytes)
  //        mmap_data: int64 = 0x0 (0 bytes)
  //        sample_id_all: int64 = 0x0 (0 bytes)
  //        exclude_host: int64 = 0x0 (0 bytes)
  //        exclude_guest: int64 = 0x0 (0 bytes)
  //        exclude_callchain_kernel: int64 = 0x0 (0 bytes)
  //        exclude_callchain_user: int64 = 0x0 (0 bytes)
  //        mmap2: int64 = 0x0 (0 bytes)
  //        comm_exec: int64 = 0x0 (0 bytes)
  //        use_clockid: int64 = 0x0 (0 bytes)
  //        context_switch: int64 = 0x0 (0 bytes)
  //        write_backward: int64 = 0x0 (0 bytes)
  //        namespaces: int64 = 0x0 (0 bytes)
  //        ksymbol: int64 = 0x0 (0 bytes)
  //        bpf_event: int64 = 0x0 (0 bytes)
  //        aux_output: int64 = 0x0 (0 bytes)
  //        cgroup: int64 = 0x0 (0 bytes)
  //        text_poke: int64 = 0x0 (0 bytes)
  //        build_id: int64 = 0x0 (0 bytes)
  //        inherit_thread: int64 = 0x0 (0 bytes)
  //        remove_on_exec: int64 = 0x0 (0 bytes)
  //        sigtrap: int64 = 0x0 (0 bytes)
  //        __reserved_1: const = 0x0 (8 bytes)
  //        wakeup_events: int32 = 0x3ff (4 bytes)
  //        bp_type: perf_bp_type = 0x4 (4 bytes)
  //        bp_config: union perf_bp_config {
  //          perf_bp: perf_bp {
  //            bp_addr: nil
  //            bp_len: perf_bp_lens = 0x6 (8 bytes)
  //          }
  //        }
  //        branch_sample_type: perf_branch_sample_type = 0x4008 (8 bytes)
  //        sample_regs_user: int64 = 0x3 (8 bytes)
  //        sample_stack_user: int32 = 0x0 (4 bytes)
  //        clockid: clock_type = 0x6 (4 bytes)
  //        sample_regs_intr: int64 = 0x7 (8 bytes)
  //        aux_watermark: int32 = 0x4 (4 bytes)
  //        sample_max_stack: int16 = 0x2 (2 bytes)
  //        __reserved_2: const = 0x0 (2 bytes)
  //        aux_sample_size: int32 = 0x3 (4 bytes)
  //        __reserved_3: const = 0x0 (4 bytes)
  //        sig_data: int64 = 0x0 (8 bytes)
  //      }
  //    }
  //    pid: pid (resource)
  //    cpu: intptr = 0x0 (8 bytes)
  //    group: fd_perf (resource)
  //    flags: perf_flags = 0x18 (8 bytes)
  //  ]
  //  returns fd_perf
  *(uint32_t*)0x200000000380 = 2;
  *(uint32_t*)0x200000000384 = 0x80;
  *(uint8_t*)0x200000000388 = 0x8a;
  *(uint8_t*)0x200000000389 = 3;
  *(uint8_t*)0x20000000038a = 0;
  *(uint8_t*)0x20000000038b = 3;
  *(uint32_t*)0x20000000038c = 0;
  *(uint64_t*)0x200000000390 = 0x10000000000;
  *(uint64_t*)0x200000000398 = 0x8880;
  *(uint64_t*)0x2000000003a0 = 6;
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 0, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 1, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 2, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 3, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 4, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 5, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 6, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 7, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 8, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 9, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 10, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 11, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 12, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 13, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 14, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 15, 2);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 17, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 18, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 19, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 20, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 21, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 22, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 23, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 24, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 25, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 26, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 27, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 28, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 29, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 30, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 31, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 32, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 33, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 34, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 35, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 36, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 37, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000003a8, 0, 38, 26);
  *(uint32_t*)0x2000000003b0 = 0x3ff;
  *(uint32_t*)0x2000000003b4 = 4;
  *(uint64_t*)0x2000000003b8 = 0;
  *(uint64_t*)0x2000000003c0 = 6;
  *(uint64_t*)0x2000000003c8 = 0x4008;
  *(uint64_t*)0x2000000003d0 = 3;
  *(uint32_t*)0x2000000003d8 = 0;
  *(uint32_t*)0x2000000003dc = 6;
  *(uint64_t*)0x2000000003e0 = 7;
  *(uint32_t*)0x2000000003e8 = 4;
  *(uint16_t*)0x2000000003ec = 2;
  *(uint16_t*)0x2000000003ee = 0;
  *(uint32_t*)0x2000000003f0 = 3;
  *(uint32_t*)0x2000000003f4 = 0;
  *(uint64_t*)0x2000000003f8 = 0;
  syscall(__NR_perf_event_open, /*attr=*/0x200000000380ul, /*pid=*/0,
          /*cpu=*/0ul, /*group=*/(intptr_t)-1,
          /*flags=PERF_FLAG_FD_CLOEXEC|0x10*/ 0x18ul);
  //  socketpair$unix arguments: [
  //    domain: const = 0x1 (8 bytes)
  //    type: unix_socket_type = 0x5 (8 bytes)
  //    proto: const = 0x0 (4 bytes)
  //    fds: ptr[out, unix_pair] {
  //      unix_pair {
  //        fd0: sock_unix (resource)
  //        fd1: sock_unix (resource)
  //      }
  //    }
  //  ]
  res = syscall(__NR_socketpair, /*domain=*/1ul, /*type=SOCK_SEQPACKET*/ 5ul,
                /*proto=*/0, /*fds=*/0x2000000029c0ul);
  if (res != -1) {
    r[0] = *(uint32_t*)0x2000000029c0;
    r[1] = *(uint32_t*)0x2000000029c4;
  }
  //  close arguments: [
  //    fd: fd (resource)
  //  ]
  syscall(__NR_close, /*fd=*/r[1]);
  //  recvmsg$unix arguments: [
  //    fd: sock_unix (resource)
  //    msg: ptr[inout, recv_msghdr_un] {
  //      recv_msghdr_un {
  //        addr: nil
  //        addrlen: len = 0x4b (4 bytes)
  //        pad = 0x0 (4 bytes)
  //        vec: nil
  //        vlen: len = 0x0 (8 bytes)
  //        ctrl: ptr[out, array[cmsghdr_un]] {
  //          array[cmsghdr_un] {
  //            union cmsghdr_un {
  //              rights: cmsghdr_t[SOL_SOCKET, SCM_RIGHTS, array[fd]] {
  //                unaligned: cmsghdr_unaligned[SOL_SOCKET, SCM_RIGHTS,
  //                array[fd]] {
  //                  cmsg_len: len = 0x14 (8 bytes)
  //                  cmsg_level: const = 0x1 (4 bytes)
  //                  cmsg_type: const = 0x1 (4 bytes)
  //                  data: array[fd] {
  //                    fd (resource)
  //                  }
  //                }
  //              }
  //            }
  //          }
  //        }
  //        ctrllen: bytesize = 0x18 (8 bytes)
  //        f: const = 0x0 (4 bytes)
  //        pad = 0x0 (4 bytes)
  //      }
  //    }
  //    f: recv_flags = 0x0 (8 bytes)
  //  ]
  *(uint64_t*)0x200000000400 = 0;
  *(uint32_t*)0x200000000408 = 0x4b;
  *(uint64_t*)0x200000000410 = 0;
  *(uint64_t*)0x200000000418 = 0;
  *(uint64_t*)0x200000000420 = 0x2000000003c0;
  *(uint64_t*)0x200000000428 = 0x18;
  *(uint32_t*)0x200000000430 = 0;
  res = syscall(__NR_recvmsg, /*fd=*/r[0], /*msg=*/0x200000000400ul, /*f=*/0ul,
                0);
  if (res != -1)
    r[2] = *(uint32_t*)0x2000000003d0;
  //  ioctl$PERF_EVENT_IOC_SET_FILTER arguments: [
  //    fd: fd_perf (resource)
  //    cmd: const = 0x5452 (4 bytes)
  //    filter: ptr[in, buffer] {
  //      buffer: {02 3b e5 08 00 1c 9c 00 00 00 00 00 00 91 ec 42 dc 5a e5 bd
  //      24 05 90 a9 f3 c7 cb b7 f0 a1 3b 23 98 39 e9 12 df 5e 36 54 df cd 02
  //      c5 b0 ba 12 27 51 58 70 09 fc f3 01 02 bc bf c0 f0 10 ee d3 5c 79 79
  //      a4 f9 e8 00 dd e9 37 20 30 5f e4 5d 57 f7 7e ac 56 4b c9 74 9e 2b 3a
  //      85 ef 94 0e 19 9c 56 5b 4e 2e eb 9f 4a 3e d9 99 88 d8 dd b8 59 c3 24
  //      c6 93 0b 04 52 45 59 f4 ea f2 cd cd 2e 16 86 31 a1 0b 8d 8e 84 52 a6
  //      83 84 c0 01 65 c3 c8 cc 3f c8 3f 19 b2 a2 e1 ac 3c e9 66 11 ff 33 c7
  //      19 9e 19 f5 2d fe bd ae bb 52 82 16 f9 15 53 03 55 e0 d8 74 e3 25 39
  //      36} (length 0xb6)
  //    }
  //  ]
  memcpy(
      (void*)0x2000000006c0,
      "\002;\345\b\000\034\234\000\000\000\000\000\000\221\354B\334Z\345\275$"
      "\005\220\251\363\307\313\267\360\241;#\2309\351\022\337^"
      "6T\337\315\002\305\260\272\022\'QXp\t\374\363\001\002\274\277\300\360"
      "\020\356\323\\yy\244\371\350\000\335\3517 "
      "0_\344]W\367~\254VK\311t\236+:\205\357\224\016\031\234V[N.\353\237J>"
      "\331\231\210\330\335\270Y\303$\306\223\v\004REY\364\352\362\315\315."
      "\026\2061\241\v\215\216\204R\246\203\204\300\001e\303\310\314?\310?"
      "\031\262\242\341\254<\351f\021\3773\307\031\236\031\365-"
      "\376\275\256\273R\202\026\371\025S\003U\340\330t\343%96",
      182);
  syscall(__NR_ioctl, /*fd=*/r[2], /*cmd=*/0x5452, /*filter=*/0x2000000006c0ul);
}
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;
  loop();
  return 0;
}