@@ -830,8 +830,8 @@ IO_validate_vtable (const struct _IO_jump_t *vtable)
/* Fast path: The vtable pointer is within the __libc_IO_vtables
section. */
uintptr_t section_length = __stop___libc_IO_vtables - __start___libc_IO_vtables;
- const char *ptr = (const char *) vtable;
- uintptr_t offset = ptr - __start___libc_IO_vtables;
+ uintptr_t ptr = (uintptr_t) vtable;
+ uintptr_t offset = ptr - (uintptr_t) __start___libc_IO_vtables;
if (__glibc_unlikely (offset >= section_length))
/* The vtable pointer is not in the expected section. Use the
slow path, which will terminate the process if necessary. */