On Tue, 30 Aug 2022 at 03:58, 박영준 <her0gyugyu@xxxxxxxxx> wrote: > > I found fuse livelock situation and report it for possibility of problem. > > [Environment] > 22.04 5.15.0-43-generic ubuntu kernel. > ntfs-3g version ntfs-3g 2021.8.22 integrated FUSE 28 - Third > Generation NTFS Driver > > [Problem] > I bumped on livelock and analyze it. and concluded that it is needed > to be fixed. > it happends when 3 operation concurrently progressing. > > 1) usb detach by user. and kernel detect it. > 2) mount.ntfs umount request & device release operation > 3) pool-udisksd umount operation. > > [Conclusion] > 1. mounted target device file must be released after /dev/fuse > release. it makes deadlocky scenario. Shouldn't this be reported to ntfs-3g developers then? Thanks, Miklos