On Thu, Jul 12, 2018 at 03:33:11PM -0700, Andrew Morton wrote: > On Thu, 12 Jul 2018 18:53:47 -0300 Ernesto A. Fernández <ernesto.mnd.fernandez@xxxxxxxxx> wrote: > > > Check that the hidden directory is not NULL before using it, instead of > > after. > > > > Under what circumstances does the crash happen? Mount of a corrupted fs? No, when looking up corrupted catalog data (dentry) on a filesystem with no metadata directory (this could only ever happen on a read-only mount). Wen Xu sent the replication steps in detail to the fsdevel list, here is a link: https://bugzilla.kernel.org/show_bug.cgi?id=200297 I did not explain this because I think the diff makes it clear that there is a bug at least.
