// https://syzkaller.appspot.com/bug?id=9892ef1bd28ffeb2029d7aede57fbe7184497aba
// 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>

#ifndef __NR_bpf
#define __NR_bpf 321
#endif
#ifndef __NR_close_range
#define __NR_close_range 436
#endif
#ifndef __NR_seccomp
#define __NR_seccomp 317
#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;
}

#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 int inject_fault(int nth)
{
  int fd;
  fd = open("/proc/thread-self/fail-nth", O_RDWR);
  if (fd == -1)
    exit(1);
  char buf[16];
  sprintf(buf, "%d", nth);
  if (write(fd, buf, strlen(buf)) != (ssize_t)strlen(buf))
    exit(1);
  return fd;
}

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 const char* setup_fault()
{
  int fd = open("/proc/self/make-it-fail", O_WRONLY);
  if (fd == -1)
    return "CONFIG_FAULT_INJECTION is not enabled";
  close(fd);
  fd = open("/proc/thread-self/fail-nth", O_WRONLY);
  if (fd == -1)
    return "kernel does not have systematic fault injection support";
  close(fd);
  static struct {
    const char* file;
    const char* val;
    bool fatal;
  } files[] = {
      {"/sys/kernel/debug/failslab/ignore-gfp-wait", "N", true},
      {"/sys/kernel/debug/fail_futex/ignore-private", "N", false},
      {"/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", "N", false},
      {"/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", "N", false},
      {"/sys/kernel/debug/fail_page_alloc/min-order", "0", false},
  };
  unsigned i;
  for (i = 0; i < sizeof(files) / sizeof(files[0]); i++) {
    if (!write_file(files[i].file, files[i].val)) {
      if (files[i].fatal)
        return "failed to write fault injection file";
    }
  }
  return NULL;
}

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)) {
  }
  //  bpf$MAP_CREATE_RINGBUF arguments: [
  //    cmd: const = 0x0 (8 bytes)
  //    arg: ptr[in, bpf_map_create_arg_t[const[BPF_MAP_TYPE_RINGBUF, int32],
  //    const[0, int32], const[0, int32], int32, const[0, int32], const[0,
  //    int64]]] {
  //      bpf_map_create_arg_t[const[BPF_MAP_TYPE_RINGBUF, int32], const[0,
  //      int32], const[0, int32], int32, const[0, int32], const[0, int64]] {
  //        type: const = 0x1b (4 bytes)
  //        ksize: const = 0x0 (4 bytes)
  //        vsize: const = 0x0 (4 bytes)
  //        max: int32 = 0x40000 (4 bytes)
  //        flags: const = 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[const[BPF_MAP_TYPE_RINGBUF, int32], const[0,
  //        int32], const[0, int32], int32, const[0, int32], const[0,
  //        int64]]_value_type_btf_obj_fd_wrapper {
  //          void: buffer: {} (length 0x0)
  //        }
  //        pad1: union _bpf_map_create_arg_t[const[BPF_MAP_TYPE_RINGBUF,
  //        int32], const[0, int32], const[0, int32], int32, const[0, int32],
  //        const[0, int64]]_pad1_wrapper {
  //          value: const = 0x0 (4 bytes)
  //        }
  //        map_token_fd: union
  //        _bpf_map_create_arg_t[const[BPF_MAP_TYPE_RINGBUF, int32], const[0,
  //        int32], const[0, int32], int32, const[0, int32], const[0,
  //        int64]]_map_token_fd_wrapper {
  //          void: buffer: {} (length 0x0)
  //        }
  //        pad2: union _bpf_map_create_arg_t[const[BPF_MAP_TYPE_RINGBUF,
  //        int32], const[0, int32], const[0, int32], int32, const[0, int32],
  //        const[0, int64]]_pad2_wrapper {
  //          value: const = 0x0 (4 bytes)
  //        }
  //      }
  //    }
  //    size: len = 0x48 (8 bytes)
  //  ]
  //  returns ringbuf_map_fd
  *(uint32_t*)0x200000000180 = 0x1b;
  *(uint32_t*)0x200000000184 = 0;
  *(uint32_t*)0x200000000188 = 0;
  *(uint32_t*)0x20000000018c = 0x40000;
  *(uint32_t*)0x200000000190 = 0;
  *(uint32_t*)0x200000000194 = 0;
  *(uint32_t*)0x200000000198 = 0;
  memset((void*)0x20000000019c, 0, 16);
  *(uint32_t*)0x2000000001ac = 0;
  *(uint32_t*)0x2000000001b0 = -1;
  *(uint32_t*)0x2000000001b4 = 0;
  *(uint32_t*)0x2000000001b8 = 0;
  *(uint32_t*)0x2000000001bc = 0;
  *(uint64_t*)0x2000000001c0 = 0;
  *(uint32_t*)0x2000000001c8 = 0;
  *(uint32_t*)0x2000000001cc = 0;
  res =
      syscall(__NR_bpf, /*cmd=*/0ul, /*arg=*/0x200000000180ul, /*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 = 0x11 (4 bytes)
  //        ninsn: bytesize8 = 0xf (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 = 0x0 (4 bytes)
  //                code2: const = 0x0 (1 bytes)
  //                regs2: const = 0x0 (1 bytes)
  //                off2: const = 0x0 (2 bytes)
  //                imm2: int32 = 0x0 (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] {
  //              }
  //              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 = 0x0 (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: {73 79 7a 6b 61 6c 6c 65 72 00} (length 0xa)
  //        }
  //        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 = 0x1 (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 = 0x6 (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*)0x200000000680 = 0x11;
  *(uint32_t*)0x200000000684 = 0xf;
  *(uint64_t*)0x200000000688 = 0x200000000340;
  *(uint8_t*)0x200000000340 = 0x18;
  STORE_BY_BITMASK(uint8_t, , 0x200000000341, 0, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000341, 0, 4, 4);
  *(uint16_t*)0x200000000342 = 0;
  *(uint32_t*)0x200000000344 = 0;
  *(uint8_t*)0x200000000348 = 0;
  *(uint8_t*)0x200000000349 = 0;
  *(uint16_t*)0x20000000034a = 0;
  *(uint32_t*)0x20000000034c = 0;
  *(uint8_t*)0x200000000350 = 0x18;
  STORE_BY_BITMASK(uint8_t, , 0x200000000351, 1, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000351, 1, 4, 4);
  *(uint16_t*)0x200000000352 = 0;
  *(uint32_t*)0x200000000354 = r[0];
  *(uint8_t*)0x200000000358 = 0;
  *(uint8_t*)0x200000000359 = 0;
  *(uint16_t*)0x20000000035a = 0;
  *(uint32_t*)0x20000000035c = 0;
  STORE_BY_BITMASK(uint8_t, , 0x200000000360, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x200000000360, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x200000000360, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000361, 2, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000361, 0, 4, 4);
  *(uint16_t*)0x200000000362 = 0;
  *(uint32_t*)0x200000000364 = 0x14;
  STORE_BY_BITMASK(uint8_t, , 0x200000000368, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x200000000368, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x200000000368, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000369, 3, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000369, 0, 4, 4);
  *(uint16_t*)0x20000000036a = 0;
  *(uint32_t*)0x20000000036c = 0;
  *(uint8_t*)0x200000000370 = 0x85;
  *(uint8_t*)0x200000000371 = 0;
  *(uint16_t*)0x200000000372 = 0;
  *(uint32_t*)0x200000000374 = 0x83;
  STORE_BY_BITMASK(uint8_t, , 0x200000000378, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x200000000378, 1, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x200000000378, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000379, 9, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000379, 0, 4, 4);
  *(uint16_t*)0x20000000037a = 0;
  *(uint32_t*)0x20000000037c = 0;
  STORE_BY_BITMASK(uint8_t, , 0x200000000380, 5, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x200000000380, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x200000000380, 5, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000381, 9, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000381, 0, 4, 4);
  *(uint16_t*)0x200000000382 = 1;
  *(uint32_t*)0x200000000384 = 0;
  *(uint8_t*)0x200000000388 = 0x95;
  *(uint8_t*)0x200000000389 = 0;
  *(uint16_t*)0x20000000038a = 0;
  *(uint32_t*)0x20000000038c = 0;
  STORE_BY_BITMASK(uint8_t, , 0x200000000390, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x200000000390, 1, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x200000000390, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000391, 1, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000391, 9, 4, 4);
  *(uint16_t*)0x200000000392 = 0;
  *(uint32_t*)0x200000000394 = 0;
  STORE_BY_BITMASK(uint8_t, , 0x200000000398, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x200000000398, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x200000000398, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000399, 2, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000399, 0, 4, 4);
  *(uint16_t*)0x20000000039a = 0;
  *(uint32_t*)0x20000000039c = 0;
  *(uint8_t*)0x2000000003a0 = 0x85;
  *(uint8_t*)0x2000000003a1 = 0;
  *(uint16_t*)0x2000000003a2 = 0;
  *(uint32_t*)0x2000000003a4 = 0x85;
  STORE_BY_BITMASK(uint8_t, , 0x2000000003a8, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x2000000003a8, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x2000000003a8, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x2000000003a9, 0, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x2000000003a9, 0, 4, 4);
  *(uint16_t*)0x2000000003aa = 0;
  *(uint32_t*)0x2000000003ac = 0;
  *(uint8_t*)0x2000000003b0 = 0x95;
  *(uint8_t*)0x2000000003b1 = 0;
  *(uint16_t*)0x2000000003b2 = 0;
  *(uint32_t*)0x2000000003b4 = 0;
  *(uint64_t*)0x200000000690 = 0x200000001dc0;
  memcpy((void*)0x200000001dc0, "syzkaller\000", 10);
  *(uint32_t*)0x200000000698 = 0;
  *(uint32_t*)0x20000000069c = 0;
  *(uint64_t*)0x2000000006a0 = 0;
  *(uint32_t*)0x2000000006a8 = 0;
  *(uint32_t*)0x2000000006ac = 1;
  memset((void*)0x2000000006b0, 0, 16);
  *(uint32_t*)0x2000000006c0 = 0;
  *(uint32_t*)0x2000000006c4 = 6;
  *(uint32_t*)0x2000000006c8 = -1;
  *(uint32_t*)0x2000000006cc = 0;
  *(uint64_t*)0x2000000006d0 = 0;
  *(uint32_t*)0x2000000006d8 = 0;
  *(uint32_t*)0x2000000006dc = 0;
  *(uint64_t*)0x2000000006e0 = 0;
  *(uint32_t*)0x2000000006e8 = 0;
  *(uint32_t*)0x2000000006ec = 0;
  *(uint32_t*)0x2000000006f0 = 0;
  *(uint32_t*)0x2000000006f4 = 0;
  *(uint64_t*)0x2000000006f8 = 0;
  *(uint64_t*)0x200000000700 = 0;
  *(uint32_t*)0x200000000708 = 0;
  *(uint32_t*)0x20000000070c = 0;
  *(uint32_t*)0x200000000710 = 0;
  res =
      syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000000680ul, /*size=*/0x94ul);
  if (res != -1)
    r[1] = res;
  //  bpf$BPF_RAW_TRACEPOINT_OPEN arguments: [
  //    cmd: const = 0x11 (8 bytes)
  //    arg: ptr[in, bpf_raw_tracepoint] {
  //      bpf_raw_tracepoint {
  //        name: ptr[in, buffer] {
  //          buffer: {73 63 68 65 64 5f 73 77 69 74 63 68 00} (length 0xd)
  //        }
  //        prog_fd: fd_bpf_prog_raw_tracepoint (resource)
  //        pad: const = 0x0 (4 bytes)
  //        cookie: int64 = 0x0 (8 bytes)
  //      }
  //    }
  //    size: len = 0x2d (8 bytes)
  //  ]
  //  returns fd_perf_base
  *(uint64_t*)0x200000000540 = 0x200000000080;
  memcpy((void*)0x200000000080, "sched_switch\000", 13);
  *(uint32_t*)0x200000000548 = r[1];
  *(uint32_t*)0x20000000054c = 0;
  *(uint64_t*)0x200000000550 = 0;
  syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x200000000540ul, /*size=*/0x2dul);
  //  seccomp$SECCOMP_SET_MODE_FILTER_LISTENER arguments: [
  //    op: const = 0x1 (8 bytes)
  //    flags: seccomp_flags_listener = 0x0 (8 bytes)
  //    arg: ptr[in, sock_fprog] {
  //      sock_fprog {
  //        len: len = 0x1 (2 bytes)
  //        pad = 0x0 (6 bytes)
  //        filter: ptr[in, array[sock_filter]] {
  //          array[sock_filter] {
  //            sock_filter {
  //              code: int16 = 0x6 (2 bytes)
  //              jt: int8 = 0x0 (1 bytes)
  //              jf: int8 = 0x0 (1 bytes)
  //              k: int32 = 0x7fff7ffc (4 bytes)
  //            }
  //          }
  //        }
  //      }
  //    }
  //  ]
  //  returns fd_seccomp
  *(uint16_t*)0x200000000040 = 1;
  *(uint64_t*)0x200000000048 = 0x200000000000;
  *(uint16_t*)0x200000000000 = 6;
  *(uint8_t*)0x200000000002 = 0;
  *(uint8_t*)0x200000000003 = 0;
  *(uint32_t*)0x200000000004 = 0x7fff7ffc;
  res = syscall(__NR_seccomp, /*op=*/1ul, /*flags=*/0ul,
                /*arg=*/0x200000000040ul);
  if (res != -1)
    r[2] = res;
  //  close_range arguments: [
  //    fd: fd (resource)
  //    max_fd: fd (resource)
  //    flags: close_range_flags = 0x0 (8 bytes)
  //  ]
  inject_fault(1);
  syscall(__NR_close_range, /*fd=*/r[2], /*max_fd=*/(intptr_t)-1,
          /*flags=*/0ul);
}
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;
  if ((reason = setup_fault()))
    printf("the reproducer may not work as expected: fault injection setup "
           "failed: %s\n",
           reason);
  for (procid = 0; procid < 5; procid++) {
    if (fork() == 0) {
      loop();
    }
  }
  sleep(1000000);
  return 0;
}