On Sun, Dec 08, 2024 at 12:01:11AM +0100, Malte Schröder wrote: > On 07/12/2024 22:58, Kent Overstreet wrote: > > Hey Miklos, I've got a user who noticed silent data corruption when > > building flatpaks on rc1; it appeared when using both bcachefs and btrfs > > as the host filesystem, it's now looking like fuse changes might be the > > culprit - we just got confirmation that reverting > > fb527fc1f36e252cd1f62a26be4906949e7708ff fixes it. > > > > Can you guys take it from here? Also, I think a data corruption in rc1 > > merits a post mortem and hopefully some test improvements, this caused a > > bit of a freak out. > Hi > all, > > > I did report this. What I encountered is flatpak installs failing on > bcachefs > because of mismatching hashes. I did not notice any other issues, just > this > thing with flatpak. Flatpak seems to put downloaded files into > directories > mounted with "revokefs-fuse" on /var/tmp. So far I could only reproduce > this on > bcachefs, it does not happen when I make /var/tmp a tmpfs or when I > bind-mount > a directory from a btrfs onto > /var/tmp. > > > To me there seems to be some bad interaction between fuse and > bcachefs. > > > Reverting fb527fc1f36e252cd1f62a26be4906949e7708ff fixes the issue for > me. You said it happened with btrfs as well?
