On Mon, Aug 2, 2021 at 8:21 AM Paolo Valente <paolo.valente@xxxxxxxxxx> wrote: > > > > > Il giorno 23 lug 2021, alle ore 15:08, jim.cromie@xxxxxxxxx ha scritto: > > > > On Sun, Jul 18, 2021 at 5:58 PM Jens Axboe <axboe@xxxxxxxxx> wrote: > >> > >> On 7/18/21 3:08 PM, Oleksandr Natalenko wrote: > >>> + Paolo, Jens et al. > >>> > >>> On čtvrtek 15. července 2021 16:32:29 CEST jim.cromie@xxxxxxxxx wrote: > >>>> hi all, > >>>> > >>>> I noticed this report this morning, from 3 days ago, > >>>> about 10 minutes after boot. > >>>> Its easiest to ignore it, and I dont want to make a fuss, > >>>> but it looks useful to someone > >>>> > >>>> > >>>> [ 33.663464] Bluetooth: RFCOMM ver 1.11 > >>>> [ 646.343628] > >>>> ================================================================== [ > >>>> 646.343649] BUG: KASAN: use-after-free in bfq_get_queue+0x47d/0x900 [ > >>>> 646.343680] Read of size 8 at addr ffff88810d864a00 by task > >>>> journal-offline/1639 > >> > >> There are only a few commits between 5.13 and master in this area, see > >> attached. I'd just start reverting from the top, one by one, and see > >> which one is causing the issue. Jim, would that be feasible? > >> > > > > oops, didn't see this earlier. > > It hasnt happened since, I can try to recreate mid-next-week > > > > Still nothing? > Nada. up to an hour ago, I was still running that installed kernel. I just rebooted to it and ran a virtme session on it (because of a possible 9p related trigger) no sign of kasan err. Im gonna boot rc4 built in the same build-dir, I dont think Ive messed with the config, but its a long-shot anyway to reproduce, since same kernel image didnt do it 2nd time. > Thanks, > Paolo > > > > >> -- > >> Jens Axboe >