On Fri, Nov 12, 2021 at 06:48:11AM +0100, Christoph Hellwig wrote: > On Thu, Nov 11, 2021 at 07:53:08PM +0100, Pavel Machek wrote: > > > There is some more context on this at: > > > https://lore.kernel.org/linux-block/YXweJ00CVsDLCI7b@xxxxxxxxxx/T/#u > > > and > > > https://lore.kernel.org/stable/YYVZBuDaWBKT3vOS@xxxxxxxxxx/T/#u > > > > Thank you! > > Honestly, this looks broken to me. multipage-bvec was a big invasive > series with a lot of latter fixups. While taking this patch on it's > own should be save by itself, but also useless. So if it is needed > to make a KASAN warning go away we need to dig deeper and back something > else out that should not have been backported to rely on multipage > bvec becasue without the other patches they don't exist and can't > acually work. Ok, let me drop this for now. Zubin, can you provide a better report as to what driver is causing the problem and what exactly resolves it? Has this issue always been in 4.19 since 4.19.0? thanks, greg k-h
