// https://syzkaller.appspot.com/bug?id=5ce19e72127687f9d5436c01755276fae6913494
// 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_fsconfig
#define __NR_fsconfig 431
#endif
#ifndef __NR_fsmount
#define __NR_fsmount 432
#endif
#ifndef __NR_fsopen
#define __NR_fsopen 430
#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 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[6] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff,
                 0xffffffffffffffff, 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 = 0xd (4 bytes)
  //        ninsn: bytesize8 = 0x4 (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 {
  //                  call: bpf_insn_call_helper_t[int32[0:__BPF_FUNC_MAX_ID]] {
  //                    code: const = 0x79 (1 bytes)
  //                    regs: const = 0x11 (1 bytes)
  //                    off: const = 0xc8 (2 bytes)
  //                    func: int32 = 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 = 0x4 (4 bytes)
  //        logsize: len = 0x1000 (4 bytes)
  //        log: ptr[out, buffer] {
  //          buffer: (DirOut)
  //        }
  //        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 {
  //          sock_ops: sock_ops_attach_types = 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: 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 = 0x10 (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 = 0x70 (8 bytes)
  //  ]
  //  returns fd_bpf_prog
  *(uint32_t*)0x200000000040 = 0xd;
  *(uint32_t*)0x200000000044 = 4;
  *(uint64_t*)0x200000000048 = 0x200000000000;
  *(uint8_t*)0x200000000000 = 0x18;
  STORE_BY_BITMASK(uint8_t, , 0x200000000001, 0, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200000000001, 0, 4, 4);
  *(uint16_t*)0x200000000002 = 0;
  *(uint32_t*)0x200000000004 = 0;
  *(uint8_t*)0x200000000008 = 0;
  *(uint8_t*)0x200000000009 = 0;
  *(uint16_t*)0x20000000000a = 0;
  *(uint32_t*)0x20000000000c = 0;
  *(uint8_t*)0x200000000010 = 0x79;
  *(uint8_t*)0x200000000011 = 0x11;
  *(uint16_t*)0x200000000012 = 0xc8;
  *(uint32_t*)0x200000000014 = 0;
  *(uint8_t*)0x200000000018 = 0x95;
  *(uint8_t*)0x200000000019 = 0;
  *(uint16_t*)0x20000000001a = 0;
  *(uint32_t*)0x20000000001c = 0;
  *(uint64_t*)0x200000000050 = 0x2000000000c0;
  memcpy((void*)0x2000000000c0, "GPL\000", 4);
  *(uint32_t*)0x200000000058 = 4;
  *(uint32_t*)0x20000000005c = 0x1000;
  *(uint64_t*)0x200000000060 = 0x200000000200;
  *(uint32_t*)0x200000000068 = 0;
  *(uint32_t*)0x20000000006c = 0;
  memset((void*)0x200000000070, 0, 16);
  *(uint32_t*)0x200000000080 = 0;
  *(uint32_t*)0x200000000084 = 0;
  *(uint32_t*)0x200000000088 = -1;
  *(uint32_t*)0x20000000008c = 8;
  *(uint64_t*)0x200000000090 = 0;
  *(uint32_t*)0x200000000098 = 0;
  *(uint32_t*)0x20000000009c = 0x10;
  *(uint64_t*)0x2000000000a0 = 0;
  *(uint32_t*)0x2000000000a8 = 0;
  *(uint32_t*)0x2000000000ac = 0;
  *(uint32_t*)0x2000000000b0 = -1;
  *(uint32_t*)0x2000000000b4 = 0;
  *(uint64_t*)0x2000000000b8 = 0;
  *(uint64_t*)0x2000000000c0 = 0;
  *(uint32_t*)0x2000000000c8 = 0x10;
  *(uint32_t*)0x2000000000cc = 0;
  *(uint32_t*)0x2000000000d0 = 0;
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000000040ul, /*size=*/0x70ul);
  //  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 = 0x3 (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 95} (length 0x11)
  //            }
  //          }
  //        }
  //        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 = 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 = 0x0 (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 = 0x90 (8 bytes)
  //  ]
  //  returns fd_bpf_prog_raw_tracepoint
  *(uint32_t*)0x200000000340 = 0x18;
  *(uint32_t*)0x200000000344 = 3;
  *(uint64_t*)0x200000000348 = 0x200000000d00;
  memcpy((void*)0x200000000d00,
         "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x95",
         17);
  *(uint64_t*)0x200000000350 = 0x200000000000;
  memcpy((void*)0x200000000000, "syzkaller\000", 10);
  *(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 = 8;
  *(uint64_t*)0x200000000390 = 0;
  *(uint32_t*)0x200000000398 = 0;
  *(uint32_t*)0x20000000039c = 0x10;
  *(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 = 0x10;
  *(uint32_t*)0x2000000003cc = 0;
  *(uint32_t*)0x2000000003d0 = 0;
  res =
      syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000000340ul, /*size=*/0x90ul);
  if (res != -1)
    r[0] = res;
  //  bpf$BPF_RAW_TRACEPOINT_OPEN arguments: [
  //    cmd: const = 0x11 (8 bytes)
  //    arg: ptr[in, bpf_raw_tracepoint] {
  //      bpf_raw_tracepoint {
  //        name: ptr[in, buffer] {
  //          buffer: {74 61 73 6b 5f 6e 65 77 74 61 73 6b 00} (length 0xd)
  //        }
  //        prog_fd: fd_bpf_prog_raw_tracepoint (resource)
  //        pad: const = 0x0 (4 bytes)
  //        cookie: int64 = 0x0 (8 bytes)
  //      }
  //    }
  //    size: len = 0x10 (8 bytes)
  //  ]
  //  returns fd_perf_base
  *(uint64_t*)0x200000000200 = 0x2000000001c0;
  memcpy((void*)0x2000000001c0, "task_newtask\000", 13);
  *(uint32_t*)0x200000000208 = r[0];
  *(uint32_t*)0x20000000020c = 0;
  *(uint64_t*)0x200000000210 = 0;
  syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x200000000200ul, /*size=*/0x10ul);
  //  bpf$MAP_CREATE arguments: [
  //    cmd: const = 0x0 (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 = 0x15 (4 bytes)
  //          ksize: int32 = 0x10 (4 bytes)
  //          vsize: int32 = 0x8 (4 bytes)
  //          max: int32 = 0x0 (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 = 0x50 (8 bytes)
  //  ]
  //  returns fd_bpf_map
  *(uint32_t*)0x200000000100 = 0x15;
  *(uint32_t*)0x200000000104 = 0x10;
  *(uint32_t*)0x200000000108 = 8;
  *(uint32_t*)0x20000000010c = 0;
  *(uint32_t*)0x200000000110 = 0;
  *(uint32_t*)0x200000000114 = -1;
  *(uint32_t*)0x200000000118 = 0;
  memset((void*)0x20000000011c, 0, 16);
  *(uint32_t*)0x20000000012c = 0;
  *(uint32_t*)0x200000000130 = -1;
  *(uint32_t*)0x200000000134 = 0;
  *(uint32_t*)0x200000000138 = 0;
  *(uint32_t*)0x20000000013c = 0;
  *(uint64_t*)0x200000000140 = 0;
  *(uint32_t*)0x200000000148 = 0;
  *(uint32_t*)0x20000000014c = 0;
  res =
      syscall(__NR_bpf, /*cmd=*/0ul, /*arg=*/0x200000000100ul, /*size=*/0x50ul);
  if (res != -1)
    r[1] = 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 = 0x8 (4 bytes)
  //        ninsn: bytesize8 = 0xf (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 02 00 00 14 00 00
  //              00 b7 02 00 00 00 00 00 00 85 00 00 00 51 00 00 00 bf 09 00 00
  //              00 00 00 00 55 09 01 00 00 00 00 00 95 00 00 00 00 00 00 00 bf
  //              91 00 00 00 00 00 00 b7 02 00 00 00 00 00 00 85 00 00 00 05 00
  //              00 00 b7 00 00 00 00 00 00 00 95} (length 0x59)
  //            }
  //          }
  //        }
  //        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 = 0x0 (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*)0x200000000440 = 8;
  *(uint32_t*)0x200000000444 = 0xf;
  *(uint64_t*)0x200000000448 = 0x200000000540;
  memcpy((void*)0x200000000540,
         "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18"
         "\x11\x00\x00",
         20);
  *(uint32_t*)0x200000000554 = r[1];
  memcpy(
      (void*)0x200000000558,
      "\x00\x00\x00\x00\x00\x00\x00\x00\xb7\x02\x00\x00\x14\x00\x00\x00\xb7\x02"
      "\x00\x00\x00\x00\x00\x00\x85\x00\x00\x00\x51\x00\x00\x00\xbf\x09\x00\x00"
      "\x00\x00\x00\x00\x55\x09\x01\x00\x00\x00\x00\x00\x95\x00\x00\x00\x00\x00"
      "\x00\x00\xbf\x91\x00\x00\x00\x00\x00\x00\xb7\x02\x00\x00\x00\x00\x00\x00"
      "\x85\x00\x00\x00\x05\x00\x00\x00\xb7\x00\x00\x00\x00\x00\x00\x00\x95",
      89);
  *(uint64_t*)0x200000000450 = 0x200000000000;
  memcpy((void*)0x200000000000, "GPL\000", 4);
  *(uint32_t*)0x200000000458 = 0;
  *(uint32_t*)0x20000000045c = 0;
  *(uint64_t*)0x200000000460 = 0;
  *(uint32_t*)0x200000000468 = 0;
  *(uint32_t*)0x20000000046c = 0;
  memset((void*)0x200000000470, 0, 16);
  *(uint32_t*)0x200000000480 = 0;
  *(uint32_t*)0x200000000484 = 0;
  *(uint32_t*)0x200000000488 = -1;
  *(uint32_t*)0x20000000048c = 8;
  *(uint64_t*)0x200000000490 = 0;
  *(uint32_t*)0x200000000498 = 0;
  *(uint32_t*)0x20000000049c = 0x10;
  *(uint64_t*)0x2000000004a0 = 0;
  *(uint32_t*)0x2000000004a8 = 0;
  *(uint32_t*)0x2000000004ac = 0;
  *(uint32_t*)0x2000000004b0 = 0;
  *(uint32_t*)0x2000000004b4 = 0;
  *(uint64_t*)0x2000000004b8 = 0;
  *(uint64_t*)0x2000000004c0 = 0;
  *(uint32_t*)0x2000000004c8 = 0x10;
  *(uint32_t*)0x2000000004cc = 0;
  *(uint32_t*)0x2000000004d0 = 0;
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000000440ul, /*size=*/0x94ul);
  //  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 = 0x8 (4 bytes)
  //        ninsn: bytesize8 = 0x3 (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 95} (length 0x11)
  //            }
  //          }
  //        }
  //        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 = 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 = 0x0 (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 = 0x80 (8 bytes)
  //  ]
  //  returns fd_bpf_prog_raw_tracepoint
  *(uint32_t*)0x200000001c40 = 8;
  *(uint32_t*)0x200000001c44 = 3;
  *(uint64_t*)0x200000001c48 = 0x200000001300;
  memcpy((void*)0x200000001300,
         "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x95",
         17);
  *(uint64_t*)0x200000001c50 = 0x200000001200;
  memcpy((void*)0x200000001200, "syzkaller\000", 10);
  *(uint32_t*)0x200000001c58 = 0;
  *(uint32_t*)0x200000001c5c = 0;
  *(uint64_t*)0x200000001c60 = 0;
  *(uint32_t*)0x200000001c68 = 0;
  *(uint32_t*)0x200000001c6c = 0;
  memset((void*)0x200000001c70, 0, 16);
  *(uint32_t*)0x200000001c80 = 0;
  *(uint32_t*)0x200000001c84 = 0;
  *(uint32_t*)0x200000001c88 = -1;
  *(uint32_t*)0x200000001c8c = 8;
  *(uint64_t*)0x200000001c90 = 0;
  *(uint32_t*)0x200000001c98 = 0;
  *(uint32_t*)0x200000001c9c = 0x10;
  *(uint64_t*)0x200000001ca0 = 0;
  *(uint32_t*)0x200000001ca8 = 0;
  *(uint32_t*)0x200000001cac = 0;
  *(uint32_t*)0x200000001cb0 = 0;
  *(uint32_t*)0x200000001cb4 = 0;
  *(uint64_t*)0x200000001cb8 = 0;
  *(uint64_t*)0x200000001cc0 = 0;
  *(uint32_t*)0x200000001cc8 = 0x10;
  *(uint32_t*)0x200000001ccc = 0;
  *(uint32_t*)0x200000001cd0 = 0;
  res =
      syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000001c40ul, /*size=*/0x80ul);
  if (res != -1)
    r[2] = res;
  //  fsopen arguments: [
  //    type: ptr[in, buffer] {
  //      buffer: {63 67 72 6f 75 70 32 00} (length 0x8)
  //    }
  //    flags: fsopen_flags = 0x0 (8 bytes)
  //  ]
  //  returns fd_fscontext
  memcpy((void*)0x200000000000, "cgroup2\000", 8);
  res = syscall(__NR_fsopen, /*type=*/0x200000000000ul, /*flags=*/0ul);
  if (res != -1)
    r[3] = res;
  //  fsconfig$FSCONFIG_CMD_CREATE arguments: [
  //    fd: fd_fscontext (resource)
  //    cmd: const = 0x6 (8 bytes)
  //    key: const = 0x0 (8 bytes)
  //    value: const = 0x0 (8 bytes)
  //    aux: const = 0x0 (8 bytes)
  //  ]
  syscall(__NR_fsconfig, /*fd=*/r[3], /*cmd=*/6ul, /*key=*/0ul, /*value=*/0ul,
          /*aux=*/0ul);
  //  fsmount arguments: [
  //    fs_fd: fd_fscontext (resource)
  //    flags: fsmount_flags = 0x0 (8 bytes)
  //    attr_flags: fsmount_attr_flags = 0x2 (8 bytes)
  //  ]
  //  returns fd
  res = syscall(__NR_fsmount, /*fs_fd=*/r[3], /*flags=*/0ul,
                /*attr_flags=MOUNT_ATTR_NOSUID*/ 2ul);
  if (res != -1)
    r[4] = res;
  //  bpf$BPF_LINK_CREATE arguments: [
  //    cmd: const = 0x1c (8 bytes)
  //    arg: ptr[in, bpf_link_create_arg_t[fd_bpf_prog, fd_cgroup,
  //    flags[bpf_attach_types_link_create, int32], const[0, int32]]] {
  //      bpf_link_create_arg_t[fd_bpf_prog, fd_cgroup,
  //      flags[bpf_attach_types_link_create, int32], const[0, int32]] {
  //        prog_fd: fd_bpf_prog (resource)
  //        target_fd: fd_cgroup (resource)
  //        attach_type: bpf_attach_types_link_create = 0x0 (4 bytes)
  //        flags: const = 0x0 (4 bytes)
  //        extra: union optional[link_create_arg_extra] {
  //          val: union link_create_arg_extra {
  //            target_btf_id: bpf_btf_id (resource)
  //          }
  //        }
  //      }
  //    }
  //    size: len = 0x10 (8 bytes)
  //  ]
  //  returns fd_bpf_link
  *(uint32_t*)0x2000000003c0 = r[2];
  *(uint32_t*)0x2000000003c4 = r[4];
  *(uint32_t*)0x2000000003c8 = 0;
  *(uint32_t*)0x2000000003cc = 0;
  *(uint32_t*)0x2000000003d0 = 0;
  res = syscall(__NR_bpf, /*cmd=*/0x1cul, /*arg=*/0x2000000003c0ul,
                /*size=*/0x10ul);
  if (res != -1)
    r[5] = res;
  //  bpf$ITER_CREATE arguments: [
  //    cmd: const = 0x1d (8 bytes)
  //    arg: ptr[in, bpf_iter_create_arg] {
  //      bpf_iter_create_arg {
  //        link_fd: fd_bpf_link (resource)
  //        flags: const = 0x7 (4 bytes)
  //      }
  //    }
  //    size: len = 0x8 (8 bytes)
  //  ]
  //  returns fd
  *(uint32_t*)0x200000000040 = r[5];
  *(uint32_t*)0x200000000044 = 7;
  syscall(__NR_bpf, /*cmd=*/0x1dul, /*arg=*/0x200000000040ul, /*size=*/8ul);
}
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) {
      loop();
    }
  }
  sleep(1000000);
  return 0;
}