On Thu, Jul 28, 2022 at 04:24:12PM -0700, Dipanjan Das wrote: > On Tue, Jul 26, 2022 at 10:25 PM Takashi Iwai <tiwai@xxxxxxx> wrote: > > > > Thanks for the analysis. A good news is that, at least for the > > vmalloc() case, it's a kind of false-positive; vmalloc() always takes > > the full pages, so practically seen, the size is page-aligned. It's > > fooling the memory checker, though. > > > > But the similar problem could be seen with genalloc calls, and this > > was fixed by the upstream commit > > 5c1733e33c888a3cb7f576564d8ad543d5ad4a9e > > ALSA: memalloc: Align buffer allocations in page size > > > > I suppose you can simply backport this commit to 5.10.y. Could you > > confirm that this fixes your problem? > > We confirm that the patch you proposed fixes the problem (blocks the > reproducer). How do we proceed with getting the issue fixed? Do we > send a patch according to the steps detailed here: > https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html? Normally, yes, that is the correct process. But as Takashi mentioned, I already picked it up as I happened to see this thread. thanks, greg k-h
