On Thu, Feb 20, 2025 at 10:59:06PM +0000, Brian Mak wrote: > One thing we can do though is to iterate through the pages for all VMAs > and see if get_dump_page() returns NULL. Then, we use that information > to calculate a more accurate predicted core dump size. > > Patch is below. Thoughts? I've pushed this to -next for a few days of testing, and if it's all good, I'll send it to Linus next week for -rc5 (and -stable). https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git/commit/?h=for-linus/execve&id=ff41385709f01519a97379ce7671ee4e91e301e1 -Kees -- Kees Cook