// https://syzkaller.appspot.com/bug?id=e98ff9f164b644f65649488df70ff48a416e0fe4
// 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/ioctl.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_bpf
#define __NR_bpf 321
#endif

static unsigned long long procid;

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 void use_temporary_dir(void)
{
  char tmpdir_template[] = "./syzkaller.XXXXXX";
  char* tmpdir = mkdtemp(tmpdir_template);
  if (!tmpdir)
    exit(1);
  if (chmod(tmpdir, 0777))
    exit(1);
  if (chdir(tmpdir))
    exit(1);
}

#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;
}

#define FS_IOC_SETFLAGS _IOW('f', 2, long)
static void remove_dir(const char* dir)
{
  int iter = 0;
  DIR* dp = 0;
  const int umount_flags = MNT_FORCE | UMOUNT_NOFOLLOW;

retry:
  while (umount2(dir, umount_flags) == 0) {
  }
  dp = opendir(dir);
  if (dp == NULL) {
    if (errno == EMFILE) {
      exit(1);
    }
    exit(1);
  }
  struct dirent* ep = 0;
  while ((ep = readdir(dp))) {
    if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0)
      continue;
    char filename[FILENAME_MAX];
    snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name);
    while (umount2(filename, umount_flags) == 0) {
    }
    struct stat st;
    if (lstat(filename, &st))
      exit(1);
    if (S_ISDIR(st.st_mode)) {
      remove_dir(filename);
      continue;
    }
    int i;
    for (i = 0;; i++) {
      if (unlink(filename) == 0)
        break;
      if (errno == EPERM) {
        int fd = open(filename, O_RDONLY);
        if (fd != -1) {
          long flags = 0;
          if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
          }
          close(fd);
          continue;
        }
      }
      if (errno == EROFS) {
        break;
      }
      if (errno != EBUSY || i > 100)
        exit(1);
      if (umount2(filename, umount_flags))
        exit(1);
    }
  }
  closedir(dp);
  for (int i = 0;; i++) {
    if (rmdir(dir) == 0)
      break;
    if (i < 100) {
      if (errno == EPERM) {
        int fd = open(dir, O_RDONLY);
        if (fd != -1) {
          long flags = 0;
          if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
          }
          close(fd);
          continue;
        }
      }
      if (errno == EROFS) {
        break;
      }
      if (errno == EBUSY) {
        if (umount2(dir, umount_flags))
          exit(1);
        continue;
      }
      if (errno == ENOTEMPTY) {
        if (iter < 100) {
          iter++;
          goto retry;
        }
      }
    }
    exit(1);
  }
}

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");
  if (symlink("/dev/binderfs", "./binderfs")) {
  }
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    char cwdbuf[32];
    sprintf(cwdbuf, "./%d", iter);
    if (mkdir(cwdbuf, 0777))
      exit(1);
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      if (chdir(cwdbuf))
        exit(1);
      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;
    }
    remove_dir(cwdbuf);
  }
}

uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  //  bpf$PROG_LOAD arguments: [
  //    cmd: const = 0x5 (8 bytes)
  //    arg: ptr[in, bpf_prog_t[flags[bpf_prog_type, int32],
  //    bpf_prog_attach_types, bpf_btf_id[opt], fd_bpf_prog[opt]]] {
  //      bpf_prog_t[flags[bpf_prog_type, int32], bpf_prog_attach_types,
  //      bpf_btf_id[opt], fd_bpf_prog[opt]] {
  //        type: bpf_prog_type = 0x18 (4 bytes)
  //        ninsn: bytesize8 = 0xc (4 bytes)
  //        insns: ptr[in, bpf_instructions] {
  //          union bpf_instructions {
  //            framed: bpf_framed_program {
  //              initr0: bpf_insn_init_r0 {
  //                code: const = 0x18 (1 bytes)
  //                dst: const = 0x0 (0 bytes)
  //                src: const = 0x0 (1 bytes)
  //                off: const = 0x0 (2 bytes)
  //                imm: int32 = 0x0 (4 bytes)
  //                code2: const = 0x0 (1 bytes)
  //                regs2: const = 0x0 (1 bytes)
  //                off2: const = 0x0 (2 bytes)
  //                imm2: int32 = 0x0 (4 bytes)
  //              }
  //              body: array[bpf_insn] {
  //                union bpf_insn {
  //                  ringbuf_output: bpf_insn_ringbuf_output {
  //                    insn1: bpf_insn_map_fd_t[const[BPF_REG_1, int8:4],
  //                    tail_call_map] {
  //                      code: const = 0x18 (1 bytes)
  //                      dst: const = 0x1 (0 bytes)
  //                      src: const = 0x1 (1 bytes)
  //                      off: const = 0x0 (2 bytes)
  //                      imm: tail_call_map (resource)
  //                      code2: const = 0x0 (1 bytes)
  //                      regs2: const = 0x0 (1 bytes)
  //                      off2: const = 0x0 (2 bytes)
  //                      imm2: const = 0x0 (4 bytes)
  //                    }
  //                    insn2: bpf_insn_alu_t[BPF_ALU64, BPF_K0, BPF_MOV0,
  //                    const[BPF_REG_8, int8:4], const[0, int8:4], const[0,
  //                    int16], int32] {
  //                      code_class: int8 = 0x7 (0 bytes)
  //                      code_s: int8 = 0x0 (0 bytes)
  //                      code_op: int8 = 0xb (1 bytes)
  //                      dst: const = 0x8 (0 bytes)
  //                      src: const = 0x0 (1 bytes)
  //                      off: const = 0x0 (2 bytes)
  //                      imm: int32 = 0x2 (4 bytes)
  //                    }
  //                    insn3: bpf_insn_ldst_t[BPF_STX, BPF_DW0, BPF_MEM0,
  //                    const[BPF_REG_10, int8:4], const[BPF_REG_8, int8:4],
  //                    const[-8, int16], const[0, int32]] {
  //                      code_class: int8 = 0x3 (0 bytes)
  //                      code_size: int8 = 0x3 (0 bytes)
  //                      code_mode: int8 = 0x3 (1 bytes)
  //                      dst: const = 0xa (0 bytes)
  //                      src: const = 0x8 (1 bytes)
  //                      off: const = 0xfff8 (2 bytes)
  //                      imm: const = 0x0 (4 bytes)
  //                    }
  //                    insn4: bpf_insn_alu_t[BPF_ALU64, BPF_X0, BPF_MOV0,
  //                    const[BPF_REG_2, int8:4], const[BPF_REG_10, int8:4],
  //                    const[0, int16], const[0, int32]] {
  //                      code_class: int8 = 0x7 (0 bytes)
  //                      code_s: int8 = 0x1 (0 bytes)
  //                      code_op: int8 = 0xb (1 bytes)
  //                      dst: const = 0x2 (0 bytes)
  //                      src: const = 0xa (1 bytes)
  //                      off: const = 0x0 (2 bytes)
  //                      imm: const = 0x0 (4 bytes)
  //                    }
  //                    insn5: bpf_insn_alu_t[BPF_ALU64, BPF_K0, BPF_ADD0,
  //                    const[BPF_REG_2, int8:4], const[0, int8:4], const[0,
  //                    int16], const[-8, int32]] {
  //                      code_class: int8 = 0x7 (0 bytes)
  //                      code_s: int8 = 0x0 (0 bytes)
  //                      code_op: int8 = 0x0 (1 bytes)
  //                      dst: const = 0x2 (0 bytes)
  //                      src: const = 0x0 (1 bytes)
  //                      off: const = 0x0 (2 bytes)
  //                      imm: const = 0xfffffff8 (4 bytes)
  //                    }
  //                    insn6: bpf_insn_alu_t[BPF_ALU64, BPF_K0, BPF_MOV0,
  //                    const[BPF_REG_3, int8:4], const[0, int8:4], const[0,
  //                    int16], const[8, int32]] {
  //                      code_class: int8 = 0x7 (0 bytes)
  //                      code_s: int8 = 0x0 (0 bytes)
  //                      code_op: int8 = 0xb (1 bytes)
  //                      dst: const = 0x3 (0 bytes)
  //                      src: const = 0x0 (1 bytes)
  //                      off: const = 0x0 (2 bytes)
  //                      imm: const = 0x8 (4 bytes)
  //                    }
  //                    insn7: bpf_insn_alu_t[BPF_ALU64, BPF_K0, BPF_MOV0,
  //                    const[BPF_REG_4, int8:4], const[0, int8:4], const[0,
  //                    int16], flags[bpf_ringbuf_wakeup_flags, int32]] {
  //                      code_class: int8 = 0x7 (0 bytes)
  //                      code_s: int8 = 0x0 (0 bytes)
  //                      code_op: int8 = 0xb (1 bytes)
  //                      dst: const = 0x4 (0 bytes)
  //                      src: const = 0x0 (1 bytes)
  //                      off: const = 0x0 (2 bytes)
  //                      imm: bpf_ringbuf_wakeup_flags = 0x0 (4 bytes)
  //                    }
  //                    insn8:
  //                    bpf_insn_call_helper_t[const[BPF_FUNC_ringbuf_output,
  //                    int32]] {
  //                      code: const = 0x85 (1 bytes)
  //                      regs: const = 0x0 (1 bytes)
  //                      off: const = 0x0 (2 bytes)
  //                      func: const = 0x3 (4 bytes)
  //                    }
  //                  }
  //                }
  //              }
  //              exit: bpf_insn_exit {
  //                code: const = 0x95 (1 bytes)
  //                regs: const = 0x0 (1 bytes)
  //                off: const = 0x0 (2 bytes)
  //                imm: const = 0x0 (4 bytes)
  //              }
  //            }
  //          }
  //        }
  //        license: nil
  //        loglev: int32 = 0x0 (4 bytes)
  //        logsize: len = 0x0 (4 bytes)
  //        log: nil
  //        kern_version: bpf_kern_version = 0x0 (4 bytes)
  //        flags: bpf_prog_load_flags = 0x0 (4 bytes)
  //        prog_name: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00}
  //        (length 0x10) prog_ifindex: ifindex (resource) expected_attach_type:
  //        union bpf_prog_attach_types {
  //          fallback: bpf_attach_types = 0x0 (4 bytes)
  //        }
  //        btf_fd: fd_btf (resource)
  //        func_info_rec_size: const = 0x0 (4 bytes)
  //        func_info: nil
  //        func_info_cnt: len = 0x0 (4 bytes)
  //        line_info_rec_size: const = 0x0 (4 bytes)
  //        line_info: nil
  //        line_info_cnt: len = 0x0 (4 bytes)
  //        attach_btf_id: bpf_btf_id (resource)
  //        attach_prog_fd: fd_bpf_prog (resource)
  //        core_relo_cnt: len = 0x0 (4 bytes)
  //        fd_array: nil
  //        core_relos: nil
  //        core_relo_rec_size: const = 0x0 (4 bytes)
  //        log_true_size: int32 = 0x0 (4 bytes)
  //        prog_token_fd: union _bpf_prog_t[flags[bpf_prog_type, int32],
  //        bpf_prog_attach_types, bpf_btf_id[opt],
  //        fd_bpf_prog[opt]]_prog_token_fd_wrapper {
  //          void: buffer: {} (length 0x0)
  //        }
  //        pad: union _bpf_prog_t[flags[bpf_prog_type, int32],
  //        bpf_prog_attach_types, bpf_btf_id[opt],
  //        fd_bpf_prog[opt]]_pad_wrapper {
  //          value: const = 0x0 (4 bytes)
  //        }
  //      }
  //    }
  //    size: len = 0x94 (8 bytes)
  //  ]
  //  returns fd_bpf_prog
  *(uint32_t*)0x2000000000c0 = 0x18;
  *(uint32_t*)0x2000000000c4 = 0xc;
  *(uint64_t*)0x2000000000c8 = 0x200000000440;
  *(uint8_t*)0x200000000440 = 0x18;
  STORE_BY_BITMASK(uint8_t, , 0x200000000441, 0, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000441, 0, 4, 4);
  *(uint16_t*)0x200000000442 = 0;
  *(uint32_t*)0x200000000444 = 0;
  *(uint8_t*)0x200000000448 = 0;
  *(uint8_t*)0x200000000449 = 0;
  *(uint16_t*)0x20000000044a = 0;
  *(uint32_t*)0x20000000044c = 0;
  *(uint8_t*)0x200000000450 = 0x18;
  STORE_BY_BITMASK(uint8_t, , 0x200000000451, 1, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000451, 1, 4, 4);
  *(uint16_t*)0x200000000452 = 0;
  *(uint32_t*)0x200000000454 = -1;
  *(uint8_t*)0x200000000458 = 0;
  *(uint8_t*)0x200000000459 = 0;
  *(uint16_t*)0x20000000045a = 0;
  *(uint32_t*)0x20000000045c = 0;
  STORE_BY_BITMASK(uint8_t, , 0x200000000460, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x200000000460, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x200000000460, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000461, 8, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000461, 0, 4, 4);
  *(uint16_t*)0x200000000462 = 0;
  *(uint32_t*)0x200000000464 = 2;
  STORE_BY_BITMASK(uint8_t, , 0x200000000468, 3, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x200000000468, 3, 3, 2);
  STORE_BY_BITMASK(uint8_t, , 0x200000000468, 3, 5, 3);
  STORE_BY_BITMASK(uint8_t, , 0x200000000469, 0xa, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000469, 8, 4, 4);
  *(uint16_t*)0x20000000046a = 0xfff8;
  *(uint32_t*)0x20000000046c = 0;
  STORE_BY_BITMASK(uint8_t, , 0x200000000470, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x200000000470, 1, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x200000000470, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000471, 2, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000471, 0xa, 4, 4);
  *(uint16_t*)0x200000000472 = 0;
  *(uint32_t*)0x200000000474 = 0;
  STORE_BY_BITMASK(uint8_t, , 0x200000000478, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x200000000478, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x200000000478, 0, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000479, 2, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000479, 0, 4, 4);
  *(uint16_t*)0x20000000047a = 0;
  *(uint32_t*)0x20000000047c = 0xfffffff8;
  STORE_BY_BITMASK(uint8_t, , 0x200000000480, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x200000000480, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x200000000480, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000481, 3, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000481, 0, 4, 4);
  *(uint16_t*)0x200000000482 = 0;
  *(uint32_t*)0x200000000484 = 8;
  STORE_BY_BITMASK(uint8_t, , 0x200000000488, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x200000000488, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x200000000488, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000489, 4, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000489, 0, 4, 4);
  *(uint16_t*)0x20000000048a = 0;
  *(uint32_t*)0x20000000048c = 0;
  *(uint8_t*)0x200000000490 = 0x85;
  *(uint8_t*)0x200000000491 = 0;
  *(uint16_t*)0x200000000492 = 0;
  *(uint32_t*)0x200000000494 = 3;
  *(uint8_t*)0x200000000498 = 0x95;
  *(uint8_t*)0x200000000499 = 0;
  *(uint16_t*)0x20000000049a = 0;
  *(uint32_t*)0x20000000049c = 0;
  *(uint64_t*)0x2000000000d0 = 0;
  *(uint32_t*)0x2000000000d8 = 0;
  *(uint32_t*)0x2000000000dc = 0;
  *(uint64_t*)0x2000000000e0 = 0;
  *(uint32_t*)0x2000000000e8 = 0;
  *(uint32_t*)0x2000000000ec = 0;
  memset((void*)0x2000000000f0, 0, 16);
  *(uint32_t*)0x200000000100 = 0;
  *(uint32_t*)0x200000000104 = 0;
  *(uint32_t*)0x200000000108 = -1;
  *(uint32_t*)0x20000000010c = 0;
  *(uint64_t*)0x200000000110 = 0;
  *(uint32_t*)0x200000000118 = 0;
  *(uint32_t*)0x20000000011c = 0;
  *(uint64_t*)0x200000000120 = 0;
  *(uint32_t*)0x200000000128 = 0;
  *(uint32_t*)0x20000000012c = 0;
  *(uint32_t*)0x200000000130 = 0;
  *(uint32_t*)0x200000000134 = 0;
  *(uint64_t*)0x200000000138 = 0;
  *(uint64_t*)0x200000000140 = 0;
  *(uint32_t*)0x200000000148 = 0;
  *(uint32_t*)0x20000000014c = 0;
  *(uint32_t*)0x200000000150 = 0;
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x2000000000c0ul, /*size=*/0x94ul);
  //  bpf$MAP_CREATE arguments: [
  //    cmd: const = 0x0 (8 bytes)
  //    arg: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //        union ANYUNION {
  //          ANYBLOB: buffer: {0b 00 00 00 05 00 00 00 00 04 00 00 09 00 00 00
  //          01} (length 0x11)
  //        }
  //      }
  //    }
  //    size: len = 0x48 (8 bytes)
  //  ]
  //  returns fd_bpf_map
  memcpy((void*)0x200000000740,
         "\x0b\x00\x00\x00\x05\x00\x00\x00\x00\x04\x00\x00\x09\x00\x00\x00\x01",
         17);
  res =
      syscall(__NR_bpf, /*cmd=*/0ul, /*arg=*/0x200000000740ul, /*size=*/0x48ul);
  if (res != -1)
    r[0] = res;
  //  bpf$PROG_LOAD arguments: [
  //    cmd: const = 0x5 (8 bytes)
  //    arg: ptr[in, bpf_prog_t[flags[bpf_prog_type, int32],
  //    bpf_prog_attach_types, bpf_btf_id[opt], fd_bpf_prog[opt]]] {
  //      bpf_prog_t[flags[bpf_prog_type, int32], bpf_prog_attach_types,
  //      bpf_btf_id[opt], fd_bpf_prog[opt]] {
  //        type: bpf_prog_type = 0x0 (4 bytes)
  //        ninsn: bytesize8 = 0xc (4 bytes)
  //        insns: ptr[inout, array[ANYUNION]] {
  //          array[ANYUNION] {
  //            union ANYUNION {
  //              ANYBLOB: buffer: {18 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  //              00 18 11 00 00} (length 0x14)
  //            }
  //            union ANYUNION {
  //              ANYRES32: ANYRES32 (resource)
  //            }
  //            union ANYUNION {
  //              ANYBLOB: buffer: {00 00 00 00 00 00 00 00 b7 08 00 00 08}
  //              (length 0xd)
  //            }
  //          }
  //        }
  //        license: nil
  //        loglev: int32 = 0x0 (4 bytes)
  //        logsize: len = 0x0 (4 bytes)
  //        log: nil
  //        kern_version: bpf_kern_version = 0x0 (4 bytes)
  //        flags: bpf_prog_load_flags = 0x0 (4 bytes)
  //        prog_name: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00}
  //        (length 0x10) prog_ifindex: ifindex (resource) expected_attach_type:
  //        union bpf_prog_attach_types {
  //          fallback: bpf_attach_types = 0x0 (4 bytes)
  //        }
  //        btf_fd: fd_btf (resource)
  //        func_info_rec_size: const = 0x0 (4 bytes)
  //        func_info: nil
  //        func_info_cnt: len = 0x0 (4 bytes)
  //        line_info_rec_size: const = 0x0 (4 bytes)
  //        line_info: nil
  //        line_info_cnt: len = 0x0 (4 bytes)
  //        attach_btf_id: bpf_btf_id (resource)
  //        attach_prog_fd: fd_bpf_prog (resource)
  //        core_relo_cnt: len = 0x0 (4 bytes)
  //        fd_array: nil
  //        core_relos: nil
  //        core_relo_rec_size: const = 0x0 (4 bytes)
  //        log_true_size: int32 = 0x0 (4 bytes)
  //        prog_token_fd: union _bpf_prog_t[flags[bpf_prog_type, int32],
  //        bpf_prog_attach_types, bpf_btf_id[opt],
  //        fd_bpf_prog[opt]]_prog_token_fd_wrapper {
  //          void: buffer: {} (length 0x0)
  //        }
  //        pad: union _bpf_prog_t[flags[bpf_prog_type, int32],
  //        bpf_prog_attach_types, bpf_btf_id[opt],
  //        fd_bpf_prog[opt]]_pad_wrapper {
  //          value: const = 0x0 (4 bytes)
  //        }
  //      }
  //    }
  //    size: len = 0x90 (8 bytes)
  //  ]
  //  returns fd_bpf_prog
  *(uint32_t*)0x200000000900 = 0;
  *(uint32_t*)0x200000000904 = 0xc;
  *(uint64_t*)0x200000000908 = 0x200000000440;
  memcpy((void*)0x200000000440,
         "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18"
         "\x11\x00\x00",
         20);
  *(uint32_t*)0x200000000454 = -1;
  memcpy((void*)0x200000000458,
         "\x00\x00\x00\x00\x00\x00\x00\x00\xb7\x08\x00\x00\x08", 13);
  *(uint64_t*)0x200000000910 = 0;
  *(uint32_t*)0x200000000918 = 0;
  *(uint32_t*)0x20000000091c = 0;
  *(uint64_t*)0x200000000920 = 0;
  *(uint32_t*)0x200000000928 = 0;
  *(uint32_t*)0x20000000092c = 0;
  memset((void*)0x200000000930, 0, 16);
  *(uint32_t*)0x200000000940 = 0;
  *(uint32_t*)0x200000000944 = 0;
  *(uint32_t*)0x200000000948 = -1;
  *(uint32_t*)0x20000000094c = 0;
  *(uint64_t*)0x200000000950 = 0;
  *(uint32_t*)0x200000000958 = 0;
  *(uint32_t*)0x20000000095c = 0;
  *(uint64_t*)0x200000000960 = 0;
  *(uint32_t*)0x200000000968 = 0;
  *(uint32_t*)0x20000000096c = 0;
  *(uint32_t*)0x200000000970 = 0;
  *(uint32_t*)0x200000000974 = 0;
  *(uint64_t*)0x200000000978 = 0;
  *(uint64_t*)0x200000000980 = 0;
  *(uint32_t*)0x200000000988 = 0;
  *(uint32_t*)0x20000000098c = 0;
  *(uint32_t*)0x200000000990 = 0;
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000000900ul, /*size=*/0x90ul);
  //  bpf$PROG_LOAD arguments: [
  //    cmd: const = 0x5 (8 bytes)
  //    arg: ptr[in, bpf_prog_t[flags[bpf_prog_type, int32],
  //    bpf_prog_attach_types, bpf_btf_id[opt], fd_bpf_prog[opt]]] {
  //      bpf_prog_t[flags[bpf_prog_type, int32], bpf_prog_attach_types,
  //      bpf_btf_id[opt], fd_bpf_prog[opt]] {
  //        type: bpf_prog_type = 0x8 (4 bytes)
  //        ninsn: bytesize8 = 0x0 (4 bytes)
  //        insns: nil
  //        license: nil
  //        loglev: int32 = 0x0 (4 bytes)
  //        logsize: len = 0x0 (4 bytes)
  //        log: nil
  //        kern_version: bpf_kern_version = 0x0 (4 bytes)
  //        flags: bpf_prog_load_flags = 0x0 (4 bytes)
  //        prog_name: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00}
  //        (length 0x10) prog_ifindex: ifindex (resource) expected_attach_type:
  //        union bpf_prog_attach_types {
  //          cgroup_skb: cgroup_skb_attach_types = 0x0 (4 bytes)
  //        }
  //        btf_fd: fd_btf (resource)
  //        func_info_rec_size: const = 0x0 (4 bytes)
  //        func_info: nil
  //        func_info_cnt: len = 0x0 (4 bytes)
  //        line_info_rec_size: const = 0x0 (4 bytes)
  //        line_info: nil
  //        line_info_cnt: len = 0x0 (4 bytes)
  //        attach_btf_id: bpf_btf_id (resource)
  //        attach_prog_fd: fd_bpf_prog (resource)
  //        core_relo_cnt: len = 0x0 (4 bytes)
  //        fd_array: nil
  //        core_relos: nil
  //        core_relo_rec_size: const = 0x0 (4 bytes)
  //        log_true_size: int32 = 0x0 (4 bytes)
  //        prog_token_fd: union _bpf_prog_t[flags[bpf_prog_type, int32],
  //        bpf_prog_attach_types, bpf_btf_id[opt],
  //        fd_bpf_prog[opt]]_prog_token_fd_wrapper {
  //          void: buffer: {} (length 0x0)
  //        }
  //        pad: union _bpf_prog_t[flags[bpf_prog_type, int32],
  //        bpf_prog_attach_types, bpf_btf_id[opt],
  //        fd_bpf_prog[opt]]_pad_wrapper {
  //          value: const = 0x0 (4 bytes)
  //        }
  //      }
  //    }
  //    size: len = 0x90 (8 bytes)
  //  ]
  //  returns fd_bpf_prog
  *(uint32_t*)0x200000000340 = 8;
  *(uint32_t*)0x200000000344 = 0;
  *(uint64_t*)0x200000000348 = 0;
  *(uint64_t*)0x200000000350 = 0;
  *(uint32_t*)0x200000000358 = 0;
  *(uint32_t*)0x20000000035c = 0;
  *(uint64_t*)0x200000000360 = 0;
  *(uint32_t*)0x200000000368 = 0;
  *(uint32_t*)0x20000000036c = 0;
  memset((void*)0x200000000370, 0, 16);
  *(uint32_t*)0x200000000380 = 0;
  *(uint32_t*)0x200000000384 = 0;
  *(uint32_t*)0x200000000388 = -1;
  *(uint32_t*)0x20000000038c = 0;
  *(uint64_t*)0x200000000390 = 0;
  *(uint32_t*)0x200000000398 = 0;
  *(uint32_t*)0x20000000039c = 0;
  *(uint64_t*)0x2000000003a0 = 0;
  *(uint32_t*)0x2000000003a8 = 0;
  *(uint32_t*)0x2000000003ac = 0;
  *(uint32_t*)0x2000000003b0 = 0;
  *(uint32_t*)0x2000000003b4 = 0;
  *(uint64_t*)0x2000000003b8 = 0;
  *(uint64_t*)0x2000000003c0 = 0;
  *(uint32_t*)0x2000000003c8 = 0;
  *(uint32_t*)0x2000000003cc = 0;
  *(uint32_t*)0x2000000003d0 = 0;
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000000340ul, /*size=*/0x90ul);
  //  bpf$MAP_GET_NEXT_KEY arguments: [
  //    cmd: const = 0x2 (8 bytes)
  //    arg: ptr[in, bpf_map_get_next_arg] {
  //      bpf_map_get_next_arg {
  //        map: fd_bpf_map (resource)
  //        pad = 0x0 (4 bytes)
  //        key: ptr[in, buffer] {
  //          buffer: {} (length 0x0)
  //        }
  //        next: ptr[out, buffer] {
  //          buffer: (DirOut)
  //        }
  //        flags: const = 0x0 (8 bytes)
  //      }
  //    }
  //    size: len = 0x20 (8 bytes)
  //  ]
  *(uint32_t*)0x2000000004c0 = r[0];
  *(uint64_t*)0x2000000004c8 = 0x200000000340;
  *(uint64_t*)0x2000000004d0 = 0x2000000005c0;
  *(uint64_t*)0x2000000004d8 = 0;
  syscall(__NR_bpf, /*cmd=*/2ul, /*arg=*/0x2000000004c0ul, /*size=*/0x20ul);
  //  bpf$PROG_LOAD arguments: [
  //    cmd: const = 0x5 (8 bytes)
  //    arg: ptr[in, bpf_prog_t[flags[bpf_prog_type, int32],
  //    bpf_prog_attach_types, bpf_btf_id[opt], fd_bpf_prog[opt]]] {
  //      bpf_prog_t[flags[bpf_prog_type, int32], bpf_prog_attach_types,
  //      bpf_btf_id[opt], fd_bpf_prog[opt]] {
  //        type: bpf_prog_type = 0x0 (4 bytes)
  //        ninsn: bytesize8 = 0x0 (4 bytes)
  //        insns: ptr[inout, array[ANYUNION]] {
  //          array[ANYUNION] {
  //            union ANYUNION {
  //              ANYBLOB: buffer: {18 00 00 00 00 80 00 00 00 00 00 00 00 00 00
  //              00 18 11 00 00} (length 0x14)
  //            }
  //            union ANYUNION {
  //              ANYRES32: ANYRES32 (resource)
  //            }
  //          }
  //        }
  //        license: nil
  //        loglev: int32 = 0x0 (4 bytes)
  //        logsize: len = 0x0 (4 bytes)
  //        log: nil
  //        kern_version: bpf_kern_version = 0x41100 (4 bytes)
  //        flags: bpf_prog_load_flags = 0x0 (4 bytes)
  //        prog_name: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00}
  //        (length 0x10) prog_ifindex: ifindex (resource) expected_attach_type:
  //        union bpf_prog_attach_types {
  //          fallback: bpf_attach_types = 0x12 (4 bytes)
  //        }
  //        btf_fd: fd_btf (resource)
  //        func_info_rec_size: const = 0x0 (4 bytes)
  //        func_info: nil
  //        func_info_cnt: len = 0x0 (4 bytes)
  //        line_info_rec_size: const = 0x0 (4 bytes)
  //        line_info: nil
  //        line_info_cnt: len = 0x0 (4 bytes)
  //        attach_btf_id: bpf_btf_id (resource)
  //        attach_prog_fd: fd_bpf_prog (resource)
  //        core_relo_cnt: len = 0xfffffffffffffff3 (4 bytes)
  //        fd_array: nil
  //        core_relos: nil
  //        core_relo_rec_size: const = 0x0 (4 bytes)
  //        log_true_size: int32 = 0x0 (4 bytes)
  //        prog_token_fd: union _bpf_prog_t[flags[bpf_prog_type, int32],
  //        bpf_prog_attach_types, bpf_btf_id[opt],
  //        fd_bpf_prog[opt]]_prog_token_fd_wrapper {
  //          void: buffer: {} (length 0x0)
  //        }
  //        pad: union _bpf_prog_t[flags[bpf_prog_type, int32],
  //        bpf_prog_attach_types, bpf_btf_id[opt],
  //        fd_bpf_prog[opt]]_pad_wrapper {
  //          value: const = 0x0 (4 bytes)
  //        }
  //      }
  //    }
  //    size: len = 0x94 (8 bytes)
  //  ]
  //  returns fd_bpf_prog
  *(uint32_t*)0x2000000000c0 = 0;
  *(uint32_t*)0x2000000000c4 = 0;
  *(uint64_t*)0x2000000000c8 = 0x200000000440;
  memcpy((void*)0x200000000440,
         "\x18\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18"
         "\x11\x00\x00",
         20);
  *(uint32_t*)0x200000000454 = r[0];
  *(uint64_t*)0x2000000000d0 = 0;
  *(uint32_t*)0x2000000000d8 = 0;
  *(uint32_t*)0x2000000000dc = 0;
  *(uint64_t*)0x2000000000e0 = 0;
  *(uint32_t*)0x2000000000e8 = 0x41100;
  *(uint32_t*)0x2000000000ec = 0;
  memset((void*)0x2000000000f0, 0, 16);
  *(uint32_t*)0x200000000100 = 0;
  *(uint32_t*)0x200000000104 = 0x12;
  *(uint32_t*)0x200000000108 = -1;
  *(uint32_t*)0x20000000010c = 0;
  *(uint64_t*)0x200000000110 = 0;
  *(uint32_t*)0x200000000118 = 0;
  *(uint32_t*)0x20000000011c = 0;
  *(uint64_t*)0x200000000120 = 0;
  *(uint32_t*)0x200000000128 = 0;
  *(uint32_t*)0x20000000012c = 0;
  *(uint32_t*)0x200000000130 = 0;
  *(uint32_t*)0x200000000134 = 0xfffffff3;
  *(uint64_t*)0x200000000138 = 0;
  *(uint64_t*)0x200000000140 = 0;
  *(uint32_t*)0x200000000148 = 0;
  *(uint32_t*)0x20000000014c = 0;
  *(uint32_t*)0x200000000150 = 0;
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x2000000000c0ul, /*size=*/0x94ul);
  //  bpf$PROG_LOAD arguments: [
  //    cmd: const = 0x5 (8 bytes)
  //    arg: ptr[in, bpf_prog_t[flags[bpf_prog_type, int32],
  //    bpf_prog_attach_types, bpf_btf_id[opt], fd_bpf_prog[opt]]] {
  //      bpf_prog_t[flags[bpf_prog_type, int32], bpf_prog_attach_types,
  //      bpf_btf_id[opt], fd_bpf_prog[opt]] {
  //        type: bpf_prog_type = 0x11 (4 bytes)
  //        ninsn: bytesize8 = 0xc (4 bytes)
  //        insns: ptr[inout, array[ANYUNION]] {
  //          array[ANYUNION] {
  //          }
  //        }
  //        license: ptr[in, buffer] {
  //          buffer: {47 50 4c 00} (length 0x4)
  //        }
  //        loglev: int32 = 0x0 (4 bytes)
  //        logsize: len = 0x0 (4 bytes)
  //        log: nil
  //        kern_version: bpf_kern_version = 0x0 (4 bytes)
  //        flags: bpf_prog_load_flags = 0x0 (4 bytes)
  //        prog_name: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00}
  //        (length 0x10) prog_ifindex: ifindex (resource) expected_attach_type:
  //        union bpf_prog_attach_types {
  //          fallback: bpf_attach_types = 0x0 (4 bytes)
  //        }
  //        btf_fd: fd_btf (resource)
  //        func_info_rec_size: const = 0x0 (4 bytes)
  //        func_info: nil
  //        func_info_cnt: len = 0x0 (4 bytes)
  //        line_info_rec_size: const = 0x0 (4 bytes)
  //        line_info: nil
  //        line_info_cnt: len = 0x0 (4 bytes)
  //        attach_btf_id: bpf_btf_id (resource)
  //        attach_prog_fd: fd_bpf_prog (resource)
  //        core_relo_cnt: len = 0x0 (4 bytes)
  //        fd_array: nil
  //        core_relos: nil
  //        core_relo_rec_size: const = 0x0 (4 bytes)
  //        log_true_size: int32 = 0x0 (4 bytes)
  //        prog_token_fd: union _bpf_prog_t[flags[bpf_prog_type, int32],
  //        bpf_prog_attach_types, bpf_btf_id[opt],
  //        fd_bpf_prog[opt]]_prog_token_fd_wrapper {
  //          void: buffer: {} (length 0x0)
  //        }
  //        pad: union _bpf_prog_t[flags[bpf_prog_type, int32],
  //        bpf_prog_attach_types, bpf_btf_id[opt],
  //        fd_bpf_prog[opt]]_pad_wrapper {
  //          value: const = 0x0 (4 bytes)
  //        }
  //      }
  //    }
  //    size: len = 0x90 (8 bytes)
  //  ]
  //  returns fd_bpf_prog
  *(uint32_t*)0x2000000007c0 = 0x11;
  *(uint32_t*)0x2000000007c4 = 0xc;
  *(uint64_t*)0x2000000007c8 = 0x200000000440;
  *(uint64_t*)0x2000000007d0 = 0x200000000880;
  memcpy((void*)0x200000000880, "GPL\000", 4);
  *(uint32_t*)0x2000000007d8 = 0;
  *(uint32_t*)0x2000000007dc = 0;
  *(uint64_t*)0x2000000007e0 = 0;
  *(uint32_t*)0x2000000007e8 = 0;
  *(uint32_t*)0x2000000007ec = 0;
  memset((void*)0x2000000007f0, 0, 16);
  *(uint32_t*)0x200000000800 = 0;
  *(uint32_t*)0x200000000804 = 0;
  *(uint32_t*)0x200000000808 = -1;
  *(uint32_t*)0x20000000080c = 0;
  *(uint64_t*)0x200000000810 = 0;
  *(uint32_t*)0x200000000818 = 0;
  *(uint32_t*)0x20000000081c = 0;
  *(uint64_t*)0x200000000820 = 0;
  *(uint32_t*)0x200000000828 = 0;
  *(uint32_t*)0x20000000082c = 0;
  *(uint32_t*)0x200000000830 = 0;
  *(uint32_t*)0x200000000834 = 0;
  *(uint64_t*)0x200000000838 = 0;
  *(uint64_t*)0x200000000840 = 0;
  *(uint32_t*)0x200000000848 = 0;
  *(uint32_t*)0x20000000084c = 0;
  *(uint32_t*)0x200000000850 = 0;
  res =
      syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x2000000007c0ul, /*size=*/0x90ul);
  if (res != -1)
    r[1] = res;
  //  bpf$BPF_RAW_TRACEPOINT_OPEN arguments: [
  //    cmd: const = 0x11 (8 bytes)
  //    arg: ptr[in, bpf_raw_tracepoint] {
  //      bpf_raw_tracepoint {
  //        name: ptr[in, buffer] {
  //          buffer: {74 69 6d 65 72 5f 73 74 61 72 74 00} (length 0xc)
  //        }
  //        prog_fd: fd_bpf_prog_raw_tracepoint (resource)
  //        pad: const = 0x0 (4 bytes)
  //        cookie: int64 = 0x0 (8 bytes)
  //      }
  //    }
  //    size: len = 0x10 (8 bytes)
  //  ]
  //  returns fd_perf_base
  *(uint64_t*)0x200000000040 = 0x200000000000;
  memcpy((void*)0x200000000000, "timer_start\000", 12);
  *(uint32_t*)0x200000000048 = r[1];
  *(uint32_t*)0x20000000004c = 0;
  *(uint64_t*)0x200000000050 = 0;
  syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x200000000040ul, /*size=*/0x10ul);
}
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;
  for (procid = 0; procid < 5; procid++) {
    if (fork() == 0) {
      use_temporary_dir();
      loop();
    }
  }
  sleep(1000000);
  return 0;
}