Hey Al, On Mon, Jan 13, 2020 at 2:23 PM Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote: > > On Mon, Jan 13, 2020 at 01:27:34PM -0500, Jason A. Donenfeld wrote: > > Hi Al, > > > > Your "reimplement path_mountpoint() with less magic" commit is causing > > oopses on the linux-next tests running on https://build.wireguard.com/ . > > Here's one such crash with debug symbols: > > Check if that persists with the version currently in #fixes (commit > 7a955b7363b8). It ought to be fixed there; quick check is to look > at fs/namei.c:path_mountpoint() in your tree - it should read > if (!err && (nd->flags & LOOKUP_RCU)) > err = unlazy_walk(nd); > not > if (!err) > err = unlazy_walk(nd); > as in the broken variant. That does the trick. Glad that's sorted. Thanks. Jason