// https://syzkaller.appspot.com/bug?id=565fa40a59038b0dd66d10e45f657e5d063d408a
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

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

uint64_t r[1] = {0xffffffffffffffff};

int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000,
          /*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=*/0x1000, /*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)) {
  }
  //  openat$udambuf arguments: [
  //    fd: const = 0xffffffffffffff9c (8 bytes)
  //    file: ptr[in, buffer] {
  //      buffer: {2f 64 65 76 2f 75 64 6d 61 62 75 66 00} (length 0xd)
  //    }
  //    flags: const = 0x2 (4 bytes)
  //  ]
  //  returns fd_udambuf
  memcpy((void*)0x200000001300, "/dev/udmabuf\000", 13);
  res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul,
                /*file=*/0x200000001300ul, /*flags=*/2, 0);
  if (res != -1)
    r[0] = res;
  //  ioctl$UDMABUF_CREATE arguments: [
  //    fd: fd_udambuf (resource)
  //    cmd: const = 0x40187542 (4 bytes)
  //    arg: ptr[in, udmabuf_create] {
  //      udmabuf_create {
  //        memfd: fd_memfd (resource)
  //        flags: int32 = 0x0 (4 bytes)
  //        offset: udmabuf_offset_size = 0x0 (8 bytes)
  //        size: udmabuf_offset_size = 0x1000000000000 (8 bytes)
  //      }
  //    }
  //  ]
  //  returns fd_dma_buf
  *(uint32_t*)0x200000001680 = -1;
  *(uint32_t*)0x200000001684 = 0;
  *(uint64_t*)0x200000001688 = 0;
  *(uint64_t*)0x200000001690 = 0x1000000000000;
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x40187542,
          /*arg=*/0x200000001680ul);
  return 0;
}