On Wed, 21 Oct 2020 at 22:52, Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> wrote: > > On Wed, 21 Oct 2020 at 22:35, Linus Torvalds > <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: > > > > On Wed, Oct 21, 2020 at 9:58 AM Naresh Kamboju > > <naresh.kamboju@xxxxxxxxxx> wrote: > > > > > > LTP mm mtest05 (mmstress), mtest06_3 and mallocstress01 (mallocstress) tested on > > > x86 KASAN enabled build. But tests are getting PASS on Non KASAN builds. > > > This regression started happening from next-20201015 nowards > > > > Is it repeatable enough to be bisectable? > > Yes. This is easily reproducible. > I will bisect and report here. The bad commit points to, commit d55564cfc222326e944893eff0c4118353e349ec x86: Make __put_user() generate an out-of-line call I have reverted this single patch and confirmed the reported problem is not seen anymore. - Naresh
