On Fri, Feb 07, 2025 at 04:22:56PM -0800, Joanne Koong wrote:
> > Thanks, Josef. I guess we can at least try to confirm we're on the right track.
> > Can anyone affected see if this (only compile tested) patch fixes the issue?
> > Created on top of 6.13.1.
>
> This fixes the crash for me on 6.14.0-rc1. I ran the repro using
> Mantas's instructions for Obfuscate. I was able to trigger the crash
> on a clean build and then with this patch, I'm not seeing the crash
> anymore.
Since this patch fixes the bug, we're looking for one call to folio_put()
too many. Is it possibly in fuse_try_move_page()? In particular, this
one:
/* Drop ref for ap->pages[] array */
folio_put(oldfolio);
I don't know fuse very well. Maybe this isn't it.
