// https://syzkaller.appspot.com/bug?id=f97c662bbe81be3a0b21c5211230e35450c5dc02
// 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_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 {
    unsigned long nb = a1;
    char buf[1024];
    char* hash;
    strncpy(buf, (char*)a0, sizeof(buf) - 1);
    buf[sizeof(buf) - 1] = 0;
    while ((hash = strchr(buf, '#'))) {
      *hash = '0' + (char)(nb % 10);
      nb /= 10;
    }
    return open(buf, a2, 0);
  }
}

uint64_t r[1] = {0xffffffffffffffff};

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;
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  //  syz_open_dev$dri arguments: [
  //    dev: ptr[in, buffer] {
  //      buffer: {2f 64 65 76 2f 64 72 69 2f 63 61 72 64 23 00} (length 0xf)
  //    }
  //    id: intptr = 0x0 (8 bytes)
  //    flags: open_flags = 0x0 (8 bytes)
  //  ]
  //  returns fd_dri
  memcpy((void*)0x200000000000, "/dev/dri/card#\000", 15);
  res = -1;
  res = syz_open_dev(/*dev=*/0x200000000000, /*id=*/0, /*flags=*/0);
  if (res != -1)
    r[0] = res;
  //  ioctl$DRM_IOCTL_MODE_CREATE_DUMB arguments: [
  //    fd: fd_dri (resource)
  //    cmd: const = 0xc02064b2 (4 bytes)
  //    arg: ptr[inout, drm_mode_create_dumb] {
  //      drm_mode_create_dumb {
  //        height: int32 = 0x7 (4 bytes)
  //        width: int32 = 0x6576 (4 bytes)
  //        bpp: int32 = 0xd (4 bytes)
  //        flags: const = 0x0 (4 bytes)
  //        handle: drm_dumb_handle (resource)
  //        pitch: int32 = 0x0 (4 bytes)
  //        size: int64 = 0x0 (8 bytes)
  //      }
  //    }
  //  ]
  *(uint32_t*)0x200000000040 = 7;
  *(uint32_t*)0x200000000044 = 0x6576;
  *(uint32_t*)0x200000000048 = 0xd;
  *(uint32_t*)0x20000000004c = 0;
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0xc02064b2,
          /*arg=*/0x200000000040ul);
  //  mmap arguments: [
  //    addr: VMA[0x4000]
  //    len: len = 0x4000 (8 bytes)
  //    prot: mmap_prot = 0x4 (8 bytes)
  //    flags: mmap_flags = 0x11 (8 bytes)
  //    fd: fd (resource)
  //    offset: intptr = 0x100000000 (8 bytes)
  //  ]
  syscall(__NR_mmap, /*addr=*/0x200000001000ul, /*len=*/0x4000ul,
          /*prot=PROT_EXEC*/ 4ul, /*flags=MAP_FIXED|MAP_SHARED*/ 0x11ul,
          /*fd=*/r[0], /*offset=*/0x100000000ul);
  return 0;
}