// https://syzkaller.appspot.com/bug?id=420f8605e450528dc59c2ac12ae7d114f6c248df
// 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

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 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[4] = {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 = 0x6 (4 bytes)
  //        ninsn: bytesize8 = 0x8 (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 {
  //          xdp: xdp_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 = 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 = 0x94 (8 bytes)
  //  ]
  //  returns fd_bpf_prog
  *(uint32_t*)0x200000000700 = 6;
  *(uint32_t*)0x200000000704 = 8;
  *(uint64_t*)0x200000000708 = 0;
  *(uint64_t*)0x200000000710 = 0;
  *(uint32_t*)0x200000000718 = 0;
  *(uint32_t*)0x20000000071c = 0;
  *(uint64_t*)0x200000000720 = 0;
  *(uint32_t*)0x200000000728 = 0;
  *(uint32_t*)0x20000000072c = 0;
  memset((void*)0x200000000730, 0, 16);
  *(uint32_t*)0x200000000740 = 0;
  *(uint32_t*)0x200000000744 = 0;
  *(uint32_t*)0x200000000748 = -1;
  *(uint32_t*)0x20000000074c = 0;
  *(uint64_t*)0x200000000750 = 0;
  *(uint32_t*)0x200000000758 = 0;
  *(uint32_t*)0x20000000075c = 0;
  *(uint64_t*)0x200000000760 = 0;
  *(uint32_t*)0x200000000768 = 0;
  *(uint32_t*)0x20000000076c = 0;
  *(uint32_t*)0x200000000770 = 0;
  *(uint32_t*)0x200000000774 = 0;
  *(uint64_t*)0x200000000778 = 0;
  *(uint64_t*)0x200000000780 = 0;
  *(uint32_t*)0x200000000788 = 0x10;
  *(uint32_t*)0x20000000078c = 0;
  *(uint32_t*)0x200000000790 = 0;
  res =
      syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000000700ul, /*size=*/0x94ul);
  if (res != -1)
    r[0] = res;
  //  bpf$BPF_PROG_TEST_RUN arguments: [
  //    cmd: const = 0xa (8 bytes)
  //    arg: ptr[in, bpf_test_prog_arg] {
  //      bpf_test_prog_arg {
  //        prog: fd_bpf_prog (resource)
  //        retval: const = 0x0 (4 bytes)
  //        insizedata: len = 0x0 (4 bytes)
  //        outsizedata: len = 0x0 (4 bytes)
  //        indata: ptr[in, buffer] {
  //          buffer: {} (length 0x0)
  //        }
  //        outdata: nil
  //        repeat: int32 = 0x500 (4 bytes)
  //        dur: const = 0x0 (4 bytes)
  //        insizectx: len = 0x0 (4 bytes)
  //        outsizectx: len = 0x0 (4 bytes)
  //        inctx: nil
  //        outctx: nil
  //        flags: bpf_prog_test_run_flags = 0x0 (4 bytes)
  //        cpu: const = 0x9 (4 bytes)
  //        batch_size: int32 = 0x0 (4 bytes)
  //        pad = 0x0 (4 bytes)
  //      }
  //    }
  //    size: len = 0x50 (8 bytes)
  //  ]
  *(uint32_t*)0x200000000600 = r[0];
  *(uint32_t*)0x200000000604 = 0;
  *(uint32_t*)0x200000000608 = 0;
  *(uint32_t*)0x20000000060c = 0;
  *(uint64_t*)0x200000000610 = 0x2000000000c0;
  *(uint64_t*)0x200000000618 = 0;
  *(uint32_t*)0x200000000620 = 0x500;
  *(uint32_t*)0x200000000624 = 0;
  *(uint32_t*)0x200000000628 = 0;
  *(uint32_t*)0x20000000062c = 0;
  *(uint64_t*)0x200000000630 = 0;
  *(uint64_t*)0x200000000638 = 0;
  *(uint32_t*)0x200000000640 = 0;
  *(uint32_t*)0x200000000644 = 9;
  *(uint32_t*)0x200000000648 = 0;
  syscall(__NR_bpf, /*cmd=*/0xaul, /*arg=*/0x200000000600ul, /*size=*/0x50ul);
  //  perf_event_open arguments: [
  //    attr: nil
  //    pid: pid (resource)
  //    cpu: intptr = 0xffffffffffffffff (8 bytes)
  //    group: fd_perf (resource)
  //    flags: perf_flags = 0x0 (8 bytes)
  //  ]
  //  returns fd_perf
  syscall(__NR_perf_event_open, /*attr=*/0ul, /*pid=*/0, /*cpu=*/(intptr_t)-1,
          /*group=*/(intptr_t)-1, /*flags=*/0ul);
  //  bpf$PROG_LOAD arguments: [
  //    cmd: const = 0x5 (8 bytes)
  //    arg: nil
  //    size: len = 0x0 (8 bytes)
  //  ]
  //  returns fd_bpf_prog
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0ul, /*size=*/0ul);
  //  bpf$MAP_CREATE arguments: [
  //    cmd: const = 0x0 (8 bytes)
  //    arg: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //        union ANYUNION {
  //          ANYBLOB: buffer: {09 00 00 00 07 00 00 00 2a 00 00 00 05} (length
  //          0xd)
  //        }
  //      }
  //    }
  //    size: len = 0x50 (8 bytes)
  //  ]
  //  returns fd_bpf_map
  memcpy((void*)0x2000000009c0,
         "\x09\x00\x00\x00\x07\x00\x00\x00\x2a\x00\x00\x00\x05", 13);
  res =
      syscall(__NR_bpf, /*cmd=*/0ul, /*arg=*/0x2000000009c0ul, /*size=*/0x50ul);
  if (res != -1)
    r[1] = 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 = 0xc (4 bytes)
  //        insns: ptr[inout, array[ANYUNION]] {
  //          array[ANYUNION] {
  //            union ANYUNION {
  //              ANYBLOB: buffer: {18 00 00 00 01 07 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 00 00 00
  //              00 7b 8a f8 ff 00 00 00 00 bf a2 00 00 00 00 00 00 07 02 00 00
  //              f8 ff ff ff b7 03 00 00 08 00 00 00 b7 04 00 00 00 00 00 00 85
  //              00 00 00 01 00 00 00 95} (length 0x41)
  //            }
  //          }
  //        }
  //        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*)0x200000000540 = 0x11;
  *(uint32_t*)0x200000000544 = 0xc;
  *(uint64_t*)0x200000000548 = 0x200000000440;
  memcpy((void*)0x200000000440,
         "\x18\x00\x00\x00\x01\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18"
         "\x11\x00\x00",
         20);
  *(uint32_t*)0x200000000454 = r[1];
  memcpy((void*)0x200000000458,
         "\x00\x00\x00\x00\x00\x00\x00\x00\xb7\x08\x00\x00\x00\x00\x00\x00\x7b"
         "\x8a\xf8\xff\x00\x00\x00\x00\xbf\xa2\x00\x00\x00\x00\x00\x00\x07\x02"
         "\x00\x00\xf8\xff\xff\xff\xb7\x03\x00\x00\x08\x00\x00\x00\xb7\x04\x00"
         "\x00\x00\x00\x00\x00\x85\x00\x00\x00\x01\x00\x00\x00\x95",
         65);
  *(uint64_t*)0x200000000550 = 0;
  *(uint32_t*)0x200000000558 = 0;
  *(uint32_t*)0x20000000055c = 0;
  *(uint64_t*)0x200000000560 = 0;
  *(uint32_t*)0x200000000568 = 0;
  *(uint32_t*)0x20000000056c = 0;
  memset((void*)0x200000000570, 0, 16);
  *(uint32_t*)0x200000000580 = 0;
  *(uint32_t*)0x200000000584 = 0;
  *(uint32_t*)0x200000000588 = -1;
  *(uint32_t*)0x20000000058c = 0;
  *(uint64_t*)0x200000000590 = 0;
  *(uint32_t*)0x200000000598 = 0;
  *(uint32_t*)0x20000000059c = 0;
  *(uint64_t*)0x2000000005a0 = 0;
  *(uint32_t*)0x2000000005a8 = 0;
  *(uint32_t*)0x2000000005ac = 0;
  *(uint32_t*)0x2000000005b0 = 0;
  *(uint32_t*)0x2000000005b4 = 0;
  *(uint64_t*)0x2000000005b8 = 0;
  *(uint64_t*)0x2000000005c0 = 0;
  *(uint32_t*)0x2000000005c8 = 0;
  *(uint32_t*)0x2000000005cc = 0;
  *(uint32_t*)0x2000000005d0 = 0;
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000000540ul, /*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 = 0x33 (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*)0x2000000002c0 = 0x11;
  *(uint32_t*)0x2000000002c4 = 0xc;
  *(uint64_t*)0x2000000002c8 = 0x200000000440;
  *(uint64_t*)0x2000000002d0 = 0x200000000240;
  memcpy((void*)0x200000000240, "GPL\000", 4);
  *(uint32_t*)0x2000000002d8 = 0;
  *(uint32_t*)0x2000000002dc = 0;
  *(uint64_t*)0x2000000002e0 = 0;
  *(uint32_t*)0x2000000002e8 = 0;
  *(uint32_t*)0x2000000002ec = 0;
  memset((void*)0x2000000002f0, 0, 16);
  *(uint32_t*)0x200000000300 = 0;
  *(uint32_t*)0x200000000304 = 0x33;
  *(uint32_t*)0x200000000308 = -1;
  *(uint32_t*)0x20000000030c = 0;
  *(uint64_t*)0x200000000310 = 0;
  *(uint32_t*)0x200000000318 = 0;
  *(uint32_t*)0x20000000031c = 0;
  *(uint64_t*)0x200000000320 = 0;
  *(uint32_t*)0x200000000328 = 0;
  *(uint32_t*)0x20000000032c = 0;
  *(uint32_t*)0x200000000330 = 0;
  *(uint32_t*)0x200000000334 = 0;
  *(uint64_t*)0x200000000338 = 0;
  *(uint64_t*)0x200000000340 = 0;
  *(uint32_t*)0x200000000348 = 0;
  *(uint32_t*)0x20000000034c = 0;
  *(uint32_t*)0x200000000350 = 0;
  res =
      syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x2000000002c0ul, /*size=*/0x94ul);
  if (res != -1)
    r[2] = res;
  //  bpf$BPF_RAW_TRACEPOINT_OPEN arguments: [
  //    cmd: const = 0x11 (8 bytes)
  //    arg: ptr[in, bpf_raw_tracepoint] {
  //      bpf_raw_tracepoint {
  //        name: ptr[in, buffer] {
  //          buffer: {6e 65 69 67 68 5f 75 70 64 61 74 65 00} (length 0xd)
  //        }
  //        prog_fd: fd_bpf_prog_raw_tracepoint (resource)
  //        pad: const = 0x0 (4 bytes)
  //        cookie: int64 = 0x0 (8 bytes)
  //      }
  //    }
  //    size: len = 0x10 (8 bytes)
  //  ]
  //  returns fd_perf_base
  *(uint64_t*)0x200000000240 = 0x200000000380;
  memcpy((void*)0x200000000380, "neigh_update\000", 13);
  *(uint32_t*)0x200000000248 = r[2];
  *(uint32_t*)0x20000000024c = 0;
  *(uint64_t*)0x200000000250 = 0;
  res = syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x200000000240ul,
                /*size=*/0x10ul);
  if (res != -1)
    r[3] = res;
  //  bpf$PROG_LOAD arguments: [
  //    cmd: const = 0x5 (8 bytes)
  //    arg: nil
  //    size: len = 0x0 (8 bytes)
  //  ]
  //  returns fd_bpf_prog
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0ul, /*size=*/0ul);
  //  close arguments: [
  //    fd: fd (resource)
  //  ]
  inject_fault(1);
  syscall(__NR_close, /*fd=*/r[3]);
}
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;
}