// https://syzkaller.appspot.com/bug?id=c24f5451862d7b017f3905c952e4ea0fd0de5bcf
// 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$MAP_CREATE arguments: [
  //    cmd: const = 0x1900000000000000 (8 bytes)
  //    arg: ptr[in, bpf_map_create_arg] {
  //      union bpf_map_create_arg {
  //        base: bpf_map_create_arg_t[flags[bpf_map_type, int32], int32, int32,
  //        int32, flags[map_flags, int32], const[0, int64]] {
  //          type: bpf_map_type = 0x1b (4 bytes)
  //          ksize: int32 = 0x0 (4 bytes)
  //          vsize: int32 = 0x0 (4 bytes)
  //          max: int32 = 0x2000 (4 bytes)
  //          flags: map_flags = 0x0 (4 bytes)
  //          inner: fd_bpf_map (resource)
  //          node: int32 = 0x0 (4 bytes)
  //          map_name: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  //          00} (length 0x10) map_ifindex: ifindex (resource) btf_fd: fd_btf
  //          (resource) btf_key_type_id: int32 = 0x0 (4 bytes)
  //          btf_value_type_id: int32 = 0x0 (4 bytes)
  //          btf_vmlinux_type_id: int32 = 0x0 (4 bytes)
  //          map_extra: const = 0x0 (8 bytes)
  //          value_type_btf_obj_fd: union
  //          _bpf_map_create_arg_t[flags[bpf_map_type, int32], int32, int32,
  //          int32, flags[map_flags, int32], const[0,
  //          int64]]_value_type_btf_obj_fd_wrapper {
  //            void: buffer: {} (length 0x0)
  //          }
  //          pad1: union _bpf_map_create_arg_t[flags[bpf_map_type, int32],
  //          int32, int32, int32, flags[map_flags, int32], const[0,
  //          int64]]_pad1_wrapper {
  //            value: const = 0x0 (4 bytes)
  //          }
  //          map_token_fd: union _bpf_map_create_arg_t[flags[bpf_map_type,
  //          int32], int32, int32, int32, flags[map_flags, int32], const[0,
  //          int64]]_map_token_fd_wrapper {
  //            void: buffer: {} (length 0x0)
  //          }
  //          pad2: union _bpf_map_create_arg_t[flags[bpf_map_type, int32],
  //          int32, int32, int32, flags[map_flags, int32], const[0,
  //          int64]]_pad2_wrapper {
  //            value: const = 0x0 (4 bytes)
  //          }
  //        }
  //      }
  //    }
  //    size: len = 0x48 (8 bytes)
  //  ]
  //  returns fd_bpf_map
  *(uint32_t*)0x200000000040 = 0x1b;
  *(uint32_t*)0x200000000044 = 0;
  *(uint32_t*)0x200000000048 = 0;
  *(uint32_t*)0x20000000004c = 0x2000;
  *(uint32_t*)0x200000000050 = 0;
  *(uint32_t*)0x200000000054 = -1;
  *(uint32_t*)0x200000000058 = 0;
  memset((void*)0x20000000005c, 0, 16);
  *(uint32_t*)0x20000000006c = 0;
  *(uint32_t*)0x200000000070 = -1;
  *(uint32_t*)0x200000000074 = 0;
  *(uint32_t*)0x200000000078 = 0;
  *(uint32_t*)0x20000000007c = 0;
  *(uint64_t*)0x200000000080 = 0;
  *(uint32_t*)0x200000000088 = 0;
  *(uint32_t*)0x20000000008c = 0;
  res = syscall(__NR_bpf, /*cmd=*/0x1900000000000000ul,
                /*arg=*/0x200000000040ul, /*size=*/0x48ul);
  if (res != -1)
    r[0] = res;
  //  bpf$BPF_PROG_RAW_TRACEPOINT_LOAD arguments: [
  //    cmd: const = 0x5 (8 bytes)
  //    arg: ptr[in, bpf_prog_t[flags[bpf_raw_tracepoint_prog_types, int32],
  //    const[0, int32], const[0, int32], const[0, int32]]] {
  //      bpf_prog_t[flags[bpf_raw_tracepoint_prog_types, int32], const[0,
  //      int32], const[0, int32], const[0, int32]] {
  //        type: bpf_raw_tracepoint_prog_types = 0x18 (4 bytes)
  //        ninsn: bytesize8 = 0x18 (4 bytes)
  //        insns: ptr[in, bpf_instructions] {
  //          union bpf_instructions {
  //            ringbuf: bpf_program_ringbuf {
  //              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 = 0x1 (4 bytes)
  //                code2: const = 0x0 (1 bytes)
  //                regs2: const = 0x0 (1 bytes)
  //                off2: const = 0x0 (2 bytes)
  //                imm2: int32 = 0x8001 (4 bytes)
  //              }
  //              reserve: bpf_insn_ringbuf_reserve {
  //                insn1: bpf_insn_map_fd_t[const[BPF_REG_1, int8:4],
  //                ringbuf_map_fd] {
  //                  code: const = 0x18 (1 bytes)
  //                  dst: const = 0x1 (0 bytes)
  //                  src: const = 0x1 (1 bytes)
  //                  off: const = 0x0 (2 bytes)
  //                  imm: ringbuf_map_fd (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_2, int8:4], const[0, int8:4], const[0, int16],
  //                const[20, int32]] {
  //                  code_class: int8 = 0x7 (0 bytes)
  //                  code_s: int8 = 0x0 (0 bytes)
  //                  code_op: int8 = 0xb (1 bytes)
  //                  dst: const = 0x2 (0 bytes)
  //                  src: const = 0x0 (1 bytes)
  //                  off: const = 0x0 (2 bytes)
  //                  imm: const = 0x14 (4 bytes)
  //                }
  //                insn3: bpf_insn_alu_t[BPF_ALU64, BPF_K0, BPF_MOV0,
  //                const[BPF_REG_3, int8:4], const[0, int8:4], const[0, int16],
  //                const[0, 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 = 0x0 (4 bytes)
  //                }
  //                insn4:
  //                bpf_insn_call_helper_t[const[BPF_FUNC_ringbuf_reserve,
  //                int32]] {
  //                  code: const = 0x85 (1 bytes)
  //                  regs: const = 0x0 (1 bytes)
  //                  off: const = 0x0 (2 bytes)
  //                  func: const = 0x83 (4 bytes)
  //                }
  //                insn5: bpf_insn_alu_t[BPF_ALU64, BPF_X0, BPF_MOV0,
  //                const[BPF_REG_9, int8:4], const[BPF_REG_0, 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 = 0x9 (0 bytes)
  //                  src: const = 0x0 (1 bytes)
  //                  off: const = 0x0 (2 bytes)
  //                  imm: const = 0x0 (4 bytes)
  //                }
  //              }
  //              null_check: bpf_insn_null_check[BPF_REG_9] {
  //                cond_jump: bpf_insn_not_null_jmp[BPF_REG_9] {
  //                  code_class: const = 0x5 (0 bytes)
  //                  code_s: const = 0x0 (0 bytes)
  //                  code_op: const = 0x5 (1 bytes)
  //                  dst: const = 0x9 (0 bytes)
  //                  src: const = 0x0 (1 bytes)
  //                  off: const = 0x1 (2 bytes)
  //                  imm: const = 0x0 (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)
  //                }
  //              }
  //              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 = 0x10 (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 = 0x1 (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 = 0x82 (4 bytes)
  //                    }
  //                  }
  //                }
  //              }
  //              free: bpf_insn_ringbuf_free {
  //                insn1: bpf_insn_alu_t[BPF_ALU64, BPF_X0, BPF_MOV0,
  //                const[BPF_REG_1, int8:4], const[BPF_REG_9, 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 = 0x1 (0 bytes)
  //                  src: const = 0x9 (1 bytes)
  //                  off: const = 0x0 (2 bytes)
  //                  imm: const = 0x0 (4 bytes)
  //                }
  //                insn2: bpf_insn_alu_t[BPF_ALU64, BPF_K0, BPF_MOV0,
  //                const[BPF_REG_2, 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 = 0x2 (0 bytes)
  //                  src: const = 0x0 (1 bytes)
  //                  off: const = 0x0 (2 bytes)
  //                  imm: bpf_ringbuf_wakeup_flags = 0x2 (4 bytes)
  //                }
  //                insn3:
  //                bpf_insn_call_helper_t[flags[bpf_helpers_ringbuf_free,
  //                int32]] {
  //                  code: const = 0x85 (1 bytes)
  //                  regs: const = 0x0 (1 bytes)
  //                  off: const = 0x0 (2 bytes)
  //                  func: bpf_helpers_ringbuf_free = 0x85 (4 bytes)
  //                }
  //                insn4: bpf_insn_alu_t[BPF_ALU64, BPF_K0, BPF_MOV0,
  //                const[BPF_REG_0, int8:4], const[0, int8:4], const[0, int16],
  //                const[0, int32]] {
  //                  code_class: int8 = 0x7 (0 bytes)
  //                  code_s: int8 = 0x0 (0 bytes)
  //                  code_op: int8 = 0xb (1 bytes)
  //                  dst: const = 0x0 (0 bytes)
  //                  src: const = 0x0 (1 bytes)
  //                  off: const = 0x0 (2 bytes)
  //                  imm: const = 0x0 (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: 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:
  //        const = 0x0 (4 bytes) btf_fd: fd_btf (resource) func_info_rec_size:
  //        const = 0x8 (4 bytes) func_info: nil func_info_cnt: len = 0x0 (4
  //        bytes) line_info_rec_size: const = 0x10 (4 bytes) line_info: nil
  //        line_info_cnt: len = 0x0 (4 bytes)
  //        attach_btf_id: const = 0x0 (4 bytes)
  //        attach_prog_fd: const = 0x0 (4 bytes)
  //        core_relo_cnt: len = 0x0 (4 bytes)
  //        fd_array: nil
  //        core_relos: nil
  //        core_relo_rec_size: const = 0x10 (4 bytes)
  //        log_true_size: int32 = 0x4 (4 bytes)
  //        prog_token_fd: union
  //        _bpf_prog_t[flags[bpf_raw_tracepoint_prog_types, int32], const[0,
  //        int32], const[0, int32], const[0, int32]]_prog_token_fd_wrapper {
  //          void: buffer: {} (length 0x0)
  //        }
  //        pad: union _bpf_prog_t[flags[bpf_raw_tracepoint_prog_types, int32],
  //        const[0, int32], const[0, int32], const[0, int32]]_pad_wrapper {
  //          value: const = 0x0 (4 bytes)
  //        }
  //      }
  //    }
  //    size: len = 0x94 (8 bytes)
  //  ]
  //  returns fd_bpf_prog_raw_tracepoint
  *(uint32_t*)0x200000000280 = 0x18;
  *(uint32_t*)0x200000000284 = 0x18;
  *(uint64_t*)0x200000000288 = 0x200000000480;
  *(uint8_t*)0x200000000480 = 0x18;
  STORE_BY_BITMASK(uint8_t, , 0x200000000481, 0, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000481, 0, 4, 4);
  *(uint16_t*)0x200000000482 = 0;
  *(uint32_t*)0x200000000484 = 1;
  *(uint8_t*)0x200000000488 = 0;
  *(uint8_t*)0x200000000489 = 0;
  *(uint16_t*)0x20000000048a = 0;
  *(uint32_t*)0x20000000048c = 0x8001;
  *(uint8_t*)0x200000000490 = 0x18;
  STORE_BY_BITMASK(uint8_t, , 0x200000000491, 1, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000491, 1, 4, 4);
  *(uint16_t*)0x200000000492 = 0;
  *(uint32_t*)0x200000000494 = r[0];
  *(uint8_t*)0x200000000498 = 0;
  *(uint8_t*)0x200000000499 = 0;
  *(uint16_t*)0x20000000049a = 0;
  *(uint32_t*)0x20000000049c = 0;
  STORE_BY_BITMASK(uint8_t, , 0x2000000004a0, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004a0, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004a0, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004a1, 2, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004a1, 0, 4, 4);
  *(uint16_t*)0x2000000004a2 = 0;
  *(uint32_t*)0x2000000004a4 = 0x14;
  STORE_BY_BITMASK(uint8_t, , 0x2000000004a8, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004a8, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004a8, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004a9, 3, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004a9, 0, 4, 4);
  *(uint16_t*)0x2000000004aa = 0;
  *(uint32_t*)0x2000000004ac = 0;
  *(uint8_t*)0x2000000004b0 = 0x85;
  *(uint8_t*)0x2000000004b1 = 0;
  *(uint16_t*)0x2000000004b2 = 0;
  *(uint32_t*)0x2000000004b4 = 0x83;
  STORE_BY_BITMASK(uint8_t, , 0x2000000004b8, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004b8, 1, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004b8, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004b9, 9, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004b9, 0, 4, 4);
  *(uint16_t*)0x2000000004ba = 0;
  *(uint32_t*)0x2000000004bc = 0;
  STORE_BY_BITMASK(uint8_t, , 0x2000000004c0, 5, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004c0, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004c0, 5, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004c1, 9, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004c1, 0, 4, 4);
  *(uint16_t*)0x2000000004c2 = 1;
  *(uint32_t*)0x2000000004c4 = 0;
  *(uint8_t*)0x2000000004c8 = 0x95;
  *(uint8_t*)0x2000000004c9 = 0;
  *(uint16_t*)0x2000000004ca = 0;
  *(uint32_t*)0x2000000004cc = 0;
  *(uint8_t*)0x2000000004d0 = 0x18;
  STORE_BY_BITMASK(uint8_t, , 0x2000000004d1, 1, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004d1, 1, 4, 4);
  *(uint16_t*)0x2000000004d2 = 0;
  *(uint32_t*)0x2000000004d4 = r[0];
  *(uint8_t*)0x2000000004d8 = 0;
  *(uint8_t*)0x2000000004d9 = 0;
  *(uint16_t*)0x2000000004da = 0;
  *(uint32_t*)0x2000000004dc = 0;
  STORE_BY_BITMASK(uint8_t, , 0x2000000004e0, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004e0, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004e0, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004e1, 8, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004e1, 0, 4, 4);
  *(uint16_t*)0x2000000004e2 = 0;
  *(uint32_t*)0x2000000004e4 = 0x10;
  STORE_BY_BITMASK(uint8_t, , 0x2000000004e8, 3, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004e8, 3, 3, 2);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004e8, 3, 5, 3);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004e9, 0xa, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004e9, 8, 4, 4);
  *(uint16_t*)0x2000000004ea = 0xfff8;
  *(uint32_t*)0x2000000004ec = 0;
  STORE_BY_BITMASK(uint8_t, , 0x2000000004f0, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004f0, 1, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004f0, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004f1, 2, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004f1, 0xa, 4, 4);
  *(uint16_t*)0x2000000004f2 = 0;
  *(uint32_t*)0x2000000004f4 = 0;
  STORE_BY_BITMASK(uint8_t, , 0x2000000004f8, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004f8, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004f8, 0, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004f9, 2, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x2000000004f9, 0, 4, 4);
  *(uint16_t*)0x2000000004fa = 0;
  *(uint32_t*)0x2000000004fc = 0xfffffff8;
  STORE_BY_BITMASK(uint8_t, , 0x200000000500, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x200000000500, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x200000000500, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000501, 3, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000501, 0, 4, 4);
  *(uint16_t*)0x200000000502 = 0;
  *(uint32_t*)0x200000000504 = 8;
  STORE_BY_BITMASK(uint8_t, , 0x200000000508, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x200000000508, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x200000000508, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000509, 4, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000509, 0, 4, 4);
  *(uint16_t*)0x20000000050a = 0;
  *(uint32_t*)0x20000000050c = 1;
  *(uint8_t*)0x200000000510 = 0x85;
  *(uint8_t*)0x200000000511 = 0;
  *(uint16_t*)0x200000000512 = 0;
  *(uint32_t*)0x200000000514 = 0x82;
  STORE_BY_BITMASK(uint8_t, , 0x200000000518, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x200000000518, 1, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x200000000518, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000519, 1, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000519, 9, 4, 4);
  *(uint16_t*)0x20000000051a = 0;
  *(uint32_t*)0x20000000051c = 0;
  STORE_BY_BITMASK(uint8_t, , 0x200000000520, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x200000000520, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x200000000520, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000521, 2, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000521, 0, 4, 4);
  *(uint16_t*)0x200000000522 = 0;
  *(uint32_t*)0x200000000524 = 2;
  *(uint8_t*)0x200000000528 = 0x85;
  *(uint8_t*)0x200000000529 = 0;
  *(uint16_t*)0x20000000052a = 0;
  *(uint32_t*)0x20000000052c = 0x85;
  STORE_BY_BITMASK(uint8_t, , 0x200000000530, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x200000000530, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x200000000530, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000531, 0, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000531, 0, 4, 4);
  *(uint16_t*)0x200000000532 = 0;
  *(uint32_t*)0x200000000534 = 0;
  *(uint8_t*)0x200000000538 = 0x95;
  *(uint8_t*)0x200000000539 = 0;
  *(uint16_t*)0x20000000053a = 0;
  *(uint32_t*)0x20000000053c = 0;
  *(uint64_t*)0x200000000290 = 0x200000000000;
  memcpy((void*)0x200000000000, "GPL\000", 4);
  *(uint32_t*)0x200000000298 = 0;
  *(uint32_t*)0x20000000029c = 0;
  *(uint64_t*)0x2000000002a0 = 0;
  *(uint32_t*)0x2000000002a8 = 0;
  *(uint32_t*)0x2000000002ac = 0;
  memset((void*)0x2000000002b0, 0, 16);
  *(uint32_t*)0x2000000002c0 = 0;
  *(uint32_t*)0x2000000002c4 = 0;
  *(uint32_t*)0x2000000002c8 = -1;
  *(uint32_t*)0x2000000002cc = 8;
  *(uint64_t*)0x2000000002d0 = 0;
  *(uint32_t*)0x2000000002d8 = 0;
  *(uint32_t*)0x2000000002dc = 0x10;
  *(uint64_t*)0x2000000002e0 = 0;
  *(uint32_t*)0x2000000002e8 = 0;
  *(uint32_t*)0x2000000002ec = 0;
  *(uint32_t*)0x2000000002f0 = 0;
  *(uint32_t*)0x2000000002f4 = 0;
  *(uint64_t*)0x2000000002f8 = 0;
  *(uint64_t*)0x200000000300 = 0;
  *(uint32_t*)0x200000000308 = 0x10;
  *(uint32_t*)0x20000000030c = 4;
  *(uint32_t*)0x200000000310 = 0;
  res =
      syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000000280ul, /*size=*/0x94ul);
  if (res != -1)
    r[1] = res;
  //  bpf$BPF_RAW_TRACEPOINT_OPEN arguments: [
  //    cmd: const = 0x11 (8 bytes)
  //    arg: ptr[in, bpf_raw_tracepoint] {
  //      bpf_raw_tracepoint {
  //        name: ptr[in, buffer] {
  //          buffer: {63 6f 6e 74 65 6e 74 69 6f 6e 5f 65 6e 64 00} (length
  //          0xf)
  //        }
  //        prog_fd: fd_bpf_prog_raw_tracepoint (resource)
  //        pad: const = 0x0 (4 bytes)
  //        cookie: int64 = 0x0 (8 bytes)
  //      }
  //    }
  //    size: len = 0x10 (8 bytes)
  //  ]
  //  returns fd_perf_base
  *(uint64_t*)0x2000000000c0 = 0x200000000040;
  memcpy((void*)0x200000000040, "contention_end\000", 15);
  *(uint32_t*)0x2000000000c8 = r[1];
  *(uint32_t*)0x2000000000cc = 0;
  *(uint64_t*)0x2000000000d0 = 0;
  syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x2000000000c0ul, /*size=*/0x10ul);
  //  write$cgroup_subtree arguments: [
  //    fd: fd_cgroup_subtree (resource)
  //    buf: nil
  //    len: bytesize = 0x9a (8 bytes)
  //  ]
  syscall(__NR_write, /*fd=*/(intptr_t)-1, /*buf=*/0ul, /*len=*/0x9aul);
  //  recvmsg arguments: [
  //    fd: sock (resource)
  //    msg: nil
  //    f: recv_flags = 0x0 (8 bytes)
  //  ]
  syscall(__NR_recvmsg, /*fd=*/(intptr_t)-1, /*msg=*/0ul, /*f=*/0ul, 0);
}
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;
}