Re: mmap RW then mprotect RWX
Martin Husemann <[email protected]>
| Newsgroups | gmane.os.netbsd.devel.kernel |
|---|---|
| Message-ID | <[email protected]> |
On Mon, Jan 13, 2025 at 04:46:15PM +0000, Emmanuel Dreyfus wrote:
> main(void)
> {
> void *p;
>
> p = mmap(NULL, 4096, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_ANON, -1, 0);
> if (p == NULL)
> err(1, "mmap RWX failed");
You mean if (p == MAP_FAILED) here?
Martin