On Thu, Feb 04, 2021 at 04:17:51PM +0000, John Garry wrote: > On 04/02/2021 15:51, Bart Van Assche wrote: > > On 2/4/21 3:46 AM,pragalla@xxxxxxxxxxxxxx wrote: > > > Is this issue got fixed on any latest kernel ? if so, can you please > > > help point the patch ? > > > If not got fixed, can we have a final solution ? i can even help in > > > testing the solution. > > Hi John, > > > > Hi Bart, > > > Some time ago you replied the following to an email from me with a > > suggestion for a fix: "Please let me consider it a bit more." Are you > > still working on a fix? > > Unfortunately I have not had a chance, sorry. But I can look again. > > So I have only seen KASAN use-after-free's myself, but never an actual oops. > IIRC, someone did report an oops. > > @Pradeep, do you have a reliable re-creator? I noticed the timeout handler > stackframe in your mail, so I guess not. However, as an experiment, could > you test: > https://lore.kernel.org/linux-block/1608203273-170555-2-git-send-email-john.garry@xxxxxxxxxx/ > > This should fix the common issue. But no final solution to issues discussed > from patch 2/2, which is more exotic. > If still no progress, I'd suggest to consider the patches I posted: https://lore.kernel.org/linux-block/accb98d8-8186-2e74-a5c3-e0f09ce2b3ff@xxxxxxx/#r The idea is quite simple at least, :-) -- Ming
