// https://syzkaller.appspot.com/bug?id=bf154052f0eea4bc7712499e4569505907d15889
// autogenerated by syzkaller (http://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <fcntl.h>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <unistd.h>

#include <stdint.h>
#include <string.h>

static uintptr_t syz_open_dev(uintptr_t a0, uintptr_t a1, uintptr_t a2)
{
  if (a0 == 0xc || a0 == 0xb) {
    char buf[128];
    sprintf(buf, "/dev/%s/%d:%d", a0 == 0xc ? "char" : "block",
            (uint8_t)a1, (uint8_t)a2);
    return open(buf, O_RDWR, 0);
  } else {
    char buf[1024];
    char* hash;
    strncpy(buf, (char*)a0, sizeof(buf));
    buf[sizeof(buf) - 1] = 0;
    while ((hash = strchr(buf, '#'))) {
      *hash = '0' + (char)(a1 % 10);
      a1 /= 10;
    }
    return open(buf, a2, 0);
  }
}

#ifndef __NR_memfd_create
#define __NR_memfd_create 356
#endif
#ifndef __NR_ioctl
#define __NR_ioctl 54
#endif
#ifndef __NR_mmap
#define __NR_mmap 90
#endif
#undef __NR_mmap
#define __NR_mmap __NR_mmap2

long r[22];
void loop()
{
  memset(r, -1, sizeof(r));
  r[0] = syscall(__NR_mmap, 0x20000000ul, 0xfff000ul, 0x3ul, 0x32ul,
                 0xfffffffffffffffful, 0x0ul);
  memcpy((void*)0x20fb6000,
         "\x2f\x64\x65\x76\x2f\x6c\x6f\x6f\x70\x23\x00", 11);
  r[2] = syz_open_dev(0x20fb6000ul, 0x0ul, 0x80080002ul);
  memcpy((void*)0x20d55ffd, "\x24\x27\x00", 3);
  r[4] = syscall(__NR_memfd_create, 0x20d55ffdul, 0x0ul);
  r[5] = syscall(__NR_ioctl, r[2], 0x4c00ul, r[4]);
  memcpy((void*)0x20000000,
         "\x2f\x64\x65\x76\x2f\x6c\x6f\x6f\x70\x23\x00", 11);
  r[7] = syz_open_dev(0x20000000ul, 0x0ul, 0x0ul);
  *(uint32_t*)0x20000000 = (uint32_t)0x0;
  *(uint32_t*)0x20000004 = (uint32_t)0x0;
  *(uint32_t*)0x20000008 = (uint32_t)0x0;
  *(uint32_t*)0x2000000c = (uint32_t)0x0;
  *(uint32_t*)0x20000010 = (uint32_t)0x0;
  *(uint32_t*)0x20000014 = (uint32_t)0x0;
  *(uint32_t*)0x20000018 = (uint32_t)0x0;
  *(uint32_t*)0x2000001c = (uint32_t)0xfffffffffffffffe;
  memcpy((void*)0x20000020,
         "\x21\xdb\xba\x96\x24\x54\x28\x1a\xc1\x4a\x7e\x86\x91\x0f\x46"
         "\x72\x51\x8a\xc2\x89\x90\x1e\x47\x2e\x1a\xad\xf2\x83\x33\xb7"
         "\xad\xf2\xe3\x2e\xb8\x7a\x81\x3c\xff\xff\xff\x07\x00\xff\xff"
         "\xfd\x75\x8a\xc0\x64\x9e\x0e\xba\x37\x3d\xa4\x80\x25\x4f\x8e"
         "\xc7\x00\x94\xac",
         64);
  memcpy((void*)0x20000060, "\xf2\x31\x96\xfc\x66\x50\xfa\x74\x62\x6a"
                            "\x57\xcb\xde\xfa\xff\x63\xc3\xd3\xdb\x8d"
                            "\xbc\x9e\xd6\xd8\x5c\x84\xa7\xc1\x5c\x81"
                            "\x3d\x8c",
         32);
  *(uint32_t*)0x20000080 = (uint32_t)0x0;
  *(uint32_t*)0x20000084 = (uint32_t)0x0;
  *(uint32_t*)0x20000088 = (uint32_t)0x0;
  r[21] = syscall(__NR_ioctl, r[7], 0x4c02ul, 0x20000000ul);
}

int main()
{
  loop();
  return 0;
}