Re: FAILED: patch "[PATCH] coredump: Use the vma snapshot in fill_files_note" failed to apply to 5.17-stable tree

[Greg KH <gregkh@linuxfoundation.org>]

On Mon, Apr 04, 2022 at 11:00:19AM -0500, Eric W. Biederman wrote:
> <gregkh@linuxfoundation.org> writes:
> 
> > The patch below does not apply to the 5.17-stable tree.
> > If someone wants it applied there, or to any other stable or longterm
> > tree, then please email the backport, including the original git commit
> > id to <stable@vger.kernel.org>.
> 
> I believe it requires backporting these first.
> 
> commit 84158b7f6a06 ("coredump: Also dump first pages of non-executable ELF libraries")
> commit 95c5436a4883 ("coredump: Snapshot the vmas in do_coredump")
> commit 49c1866348f3 ("coredump: Remove the WARN_ON in dump_vma_snapshot")
> 
> The first is a more interesting bug fix from Jann Horn.
> The other two are prerequisite cleanup-patches.

Thanks, that worked!

> I will let other folks judge how concerned they are about missing
> locking that was detected by code review.

locking where?  And if it's not resolved in Linus's tree yet, not much I
can do.

Also, what about for kernels older than 5.10?  Is this an issue there?

thanks,

greg k-h