// https://syzkaller.appspot.com/bug?id=6cfb3d27ad511ea8d780a457e881eada642d8da6
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <fcntl.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <unistd.h>

static long syz_open_procfs(volatile long a0, volatile long a1)
{
  char buf[128];
  memset(buf, 0, sizeof(buf));
  if (a0 == 0) {
    snprintf(buf, sizeof(buf), "/proc/self/%s", (char*)a1);
  } else if (a0 == -1) {
    snprintf(buf, sizeof(buf), "/proc/thread-self/%s", (char*)a1);
  } else {
    snprintf(buf, sizeof(buf), "/proc/self/task/%d/%s", (int)a0, (char*)a1);
  }
  int fd = open(buf, O_RDWR);
  if (fd == -1)
    fd = open(buf, O_RDONLY);
  return fd;
}

uint64_t r[2] = {0xffffffffffffffff, 0x0};

int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=*/7ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  intptr_t res = 0;
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0xff5000ul, /*prot=*/3ul,
          /*flags=*/0x200000005c831ul, /*fd=*/-1, /*offset=*/0ul);
  memcpy((void*)0x20000000, "pagemap\000", 8);
  res = -1;
  res = syz_open_procfs(/*pid=*/0, /*file=*/0x20000000);
  if (res != -1)
    r[0] = res;
  res = syscall(__NR_getpid);
  if (res != -1)
    r[1] = res;
  *(uint64_t*)0x20008400 = 0x20000300;
  *(uint64_t*)0x20008408 = 0x7ffff000;
  *(uint64_t*)0x20008410 = 0x20006180;
  *(uint64_t*)0x20008418 = 0x98;
  *(uint64_t*)0x20008640 = 0x20008480;
  *(uint64_t*)0x20008648 = 0x7ffff000;
  syscall(__NR_process_vm_readv, /*pid=*/r[1], /*loc_vec=*/0x20008400ul,
          /*loc_vlen=*/2ul, /*rem_vec=*/0x20008640ul, /*rem_vlen=*/0x286ul,
          /*flags=*/0ul);
  *(uint64_t*)0x20000040 = 0x60;
  *(uint64_t*)0x20000048 = 1;
  *(uint64_t*)0x20000050 = 0x20ff9000;
  *(uint64_t*)0x20000058 = 0x20ffc000;
  *(uint64_t*)0x20000060 = 0;
  *(uint64_t*)0x20000068 = 0;
  *(uint64_t*)0x20000070 = 0;
  *(uint64_t*)0x20000078 = 0;
  *(uint64_t*)0x20000080 = 0;
  *(uint64_t*)0x20000088 = 0;
  *(uint64_t*)0x20000090 = 2;
  *(uint64_t*)0x20000098 = 0;
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0xc0606610, /*arg=*/0x20000040ul);
  return 0;
}