On Tue, Jul 04, 2023 at 02:13:03PM +0530, Harshit Mogalapalli wrote: > Hi Greg, > > On 04/07/23 1:54 pm, Greg Kroah-Hartman wrote: > > > > > > > > > > > > > While running LTP hugetlb testing on x86 the following kernel BUG noticed > > > > on running stable-rc 6.3.12-rc1. > > > > > > > > Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> > > > > > > > > Crash log: > > > > ========= > > > > [ 54.386939] hugefallocate01 (410): drop_caches: 3 > > > > g tests....... > > > > > > And this worked on 6.3.11 just fine? > > > > > > Trying to narrow down what would have caused this... > > > > > > Any chance you can run Linus's tree with thie LTP test as well? > > > > Ah, I can hit this here locally too! Let me bisect... > > > Have you looked at Patch 9 of this series: > > https://lore.kernel.org/stable/2023070416-wow-phrasing-b92c@gregkh/T/#m12068530e846ac8b9668bd83941d82ec3f22ac15 > > Looks very much related, it also has a note on Backporting. > As I think it could be related, I am sharing this.(But haven't tested > anything) Yes, that's the offending patch. I should have read over the full changelogs before doing bisection, but bisection/test proved that this was not correct for 6.3.y at this point in time. thanks, greg k-h