On Thu, Feb 14, 2019 at 11:33 AM Bart Van Assche <bvanassche@xxxxxxx> wrote: > > On Thu, 2019-02-14 at 10:04 -0800, Evan Green wrote: > > Greetings, block experts! > > > > I'm trying to track down a KASAN warning I'm seeing in our downstream > > 4.19 kernel, and I could use a little help. The warning looks like > > this: > > > > [ 224.564894] BUG: KASAN: use-after-free in bt_for_each+0x1ac/0x28c > > [ 224.571195] Read of size 8 at addr ffffffc17c621340 by task fio/3851 > > [ 224.577745] > > [ 224.579320] CPU: 2 PID: 3851 Comm: fio Tainted: G W 4.19.16 #398 > > Please have a look at this e-mail thread: > https://lore.kernel.org/linux-block/1545261885.185366.488.camel@xxxxxxx/ Oh, yep, that's totally it. Did that patch make it in anywhere? -Evan
