// https://syzkaller.appspot.com/bug?id=a25c528dc46f648049a9a80b5e4c4a328cbeecf1
// 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>

#ifndef __NR_ioctl
#define __NR_ioctl 29
#endif
#ifndef __NR_mmap
#define __NR_mmap 222
#endif

static long syz_open_dev(volatile long a0, volatile long a1, volatile long 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) - 1);
    buf[sizeof(buf) - 1] = 0;
    while ((hash = strchr(buf, '#'))) {
      *hash = '0' + (char)(a1 % 10);
      a1 /= 10;
    }
    return open(buf, a2, 0);
  }
}

uint64_t r[6] = {0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0, 0x0,
                 0xffffffffffffffff};

int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  intptr_t res = 0;
  memcpy((void*)0x20000000, "/dev/dri/card#\000", 15);
  res = -1;
  res = syz_open_dev(/*dev=*/0x20000000, /*id=*/0, /*flags=*/0);
  if (res != -1)
    r[0] = res;
  memcpy((void*)0x20000040, "/dev/dri/card#\000", 15);
  res = -1;
  res = syz_open_dev(/*dev=*/0x20000040, /*id=*/0xd21, /*flags=*/0);
  if (res != -1)
    r[1] = res;
  *(uint64_t*)0x200001c0 = 0;
  *(uint64_t*)0x200001c8 = 0x200000c0;
  *(uint64_t*)0x200001d0 = 0;
  *(uint64_t*)0x200001d8 = 0;
  *(uint32_t*)0x200001e0 = 0;
  *(uint32_t*)0x200001e4 = 1;
  *(uint32_t*)0x200001e8 = 0;
  *(uint32_t*)0x200001ec = 0;
  *(uint32_t*)0x200001f0 = 0;
  *(uint32_t*)0x200001f4 = 0;
  *(uint32_t*)0x200001f8 = 0;
  *(uint32_t*)0x200001fc = 0;
  res = syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0xc04064a0,
                /*arg=*/0x200001c0ul);
  if (res != -1)
    r[2] = *(uint32_t*)0x200000c0;
  *(uint64_t*)0x20000300 = 0;
  *(uint32_t*)0x20000308 = 0;
  *(uint32_t*)0x2000030c = r[2];
  res = syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0xc06864a1,
                /*arg=*/0x20000300ul);
  if (res != -1)
    r[3] = *(uint32_t*)0x20000310;
  *(uint32_t*)0x20000440 = r[3];
  *(uint32_t*)0x20000444 = 0;
  *(uint32_t*)0x20000448 = 0;
  *(uint32_t*)0x2000044c = 0;
  *(uint32_t*)0x20000450 = 0;
  *(uint32_t*)0x20000464 = 0;
  *(uint32_t*)0x20000468 = 0;
  *(uint32_t*)0x2000046c = 0;
  *(uint32_t*)0x20000470 = 0;
  *(uint32_t*)0x20000474 = 0;
  *(uint32_t*)0x20000478 = 0;
  *(uint32_t*)0x2000047c = 0;
  *(uint32_t*)0x20000480 = 0;
  *(uint64_t*)0x20000488 = 0;
  *(uint64_t*)0x20000490 = 0;
  *(uint64_t*)0x20000498 = 0;
  *(uint64_t*)0x200004a0 = 0;
  res = syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0xc06864ce,
                /*arg=*/0x20000440ul);
  if (res != -1)
    r[4] = *(uint32_t*)0x20000454;
  *(uint32_t*)0x20000140 = 0x52;
  *(uint32_t*)0x20000144 = 2;
  *(uint32_t*)0x20000148 = 0xb5;
  *(uint32_t*)0x2000014c = 0;
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0xc02064b2, /*arg=*/0x20000140ul);
  *(uint32_t*)0x20000080 = r[4];
  *(uint32_t*)0x20000084 = 0;
  res = syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0xc00c642d,
                /*arg=*/0x20000080ul);
  if (res != -1)
    r[5] = *(uint32_t*)0x20000088;
  *(uint32_t*)0x20000184 = 0;
  *(uint32_t*)0x20000188 = r[5];
  syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0xc00c642e, /*arg=*/0x20000180ul);
  return 0;
}