On Thu, Dec 10, 2015 at 2:33 PM, Kees Cook <keescook@xxxxxxxxxxxx> wrote: > Instead, detect the need to clear the bits during the page fault, and > actually remove the bits during final fput. Since the file was open for > writing, it wouldn't have been possible to execute it yet. This is cute but mysterious. Could you add a comment? > > + /* > + * XXX: While avoiding mmap_sem, we've already been written to. > + * We must ignore the return value, since we can't reject the > + * write. > + */ e.g. here? -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
