[+cc Naresh] On Thu, Nov 21, 2019 at 02:52:41PM +0000, Nicholas Johnson wrote: > On Tue, Nov 19, 2019 at 07:38:28AM -0600, Bjorn Helgaas wrote: > > On Tue, Nov 19, 2019 at 03:17:04AM +0000, Nicholas Johnson wrote: > > > I did just discover linux-next and I built it. Should I be doing this > > > more often to help find regressions? > > > > Yes, if you build and run linux-next, that's a great service because > > it helps find problems before they appear in mainline. > > Funnily enough, I just built Linux next-20191121 and it has a NULL > dereference on start-up, which renders the system unusable. > > Can anybody else please confirm? I enabled most of the new options since > the last linux-next a few days before. > ... > Here is a preliminary bug report (assuming you are meant to report > linux-next bugs here): > https://bugzilla.kernel.org/show_bug.cgi?id=205621 Looks similar to these reports I found by searching for kernfs_find_ns on https://lore.kernel.org/lkml: https://lore.kernel.org/r/000000000000bdfc8e0597ddbde4@xxxxxxxxxx https://lore.kernel.org/r/000000000000c1e9090597ddbd9d@xxxxxxxxxx https://lore.kernel.org/r/CA+G9fYsrRw2SRb92eROCt6aU==j6Qr9Fe4AmJyn4fMj5gDFt=w@xxxxxxxxxxxxxx Thanks very much for doing this testing and reporting the results. I don't think there's anything more you need to do. It looks like Naresh already cc'd some likely candidates. Bjorn
