On Mon, Jul 10, 2023 at 10:02:43AM -0700, Darrick J. Wong wrote: > On Mon, Jul 10, 2023 at 12:29:29PM -0400, Jeff Layton wrote: > > I hit this this morning while running generic/013 (fsstress), with a > > kernel based on v6.5-rc1. The main changes on top of this are timestamp > > related, so I doubt they're a factor here. > > > > Is this some of the flexarray hardening? > > Yes. > > https://lore.kernel.org/linux-xfs/ZI+3QXDHiohgv%2FPb@xxxxxxxxxxxxxxxxxxx/ > https://lore.kernel.org/linux-xfs/bug-217522-201763-D34HpuP9xe@xxxxxxxxxxxxxxxxxxxxxxxxx%2F/ > https://lore.kernel.org/linux-xfs/Y9xiYmVLRIKdpJcC@work/ It looks like these just need struct tweaks to avoid using legacy array definitions. It can be done without changes to the size of the structs, etc. I'll send a patch... -- Kees Cook
