On Mon, Oct 24, 2022 at 4:34 AM Johan Hovold <johan@xxxxxxxxxx> wrote: > > On Fri, Oct 21, 2022 at 09:05:52AM -0700, Abhinav Kumar wrote: > > Hi Johan > > > > On 10/20/2022 11:27 PM, Johan Hovold wrote: > > > On Tue, Sep 20, 2022 at 11:06:30AM +0200, Johan Hovold wrote: > > >> On Tue, Sep 13, 2022 at 10:53:10AM +0200, Johan Hovold wrote: > > >>> The MSM DRM driver is currently broken in multiple ways with respect to > > >>> probe deferral. Not only does the driver currently fail to probe again > > >>> after a late deferral, but due to a related use-after-free bug this also > > >>> triggers NULL-pointer dereferences. > > >>> > > >>> These bugs are not new but have become critical with the release of > > >>> 5.19 where probe is deferred in case the aux-bus EP panel driver has not > > >>> yet been loaded. > > >>> > > >>> The underlying problem is lifetime issues due to careless use of > > >>> device-managed resources. > > >> > > >> Any chance of getting this merged for 6.1? > > > > > > Is anyone picking these up as fixes for 6.1-rc as we discussed? > > > > > > Johan > > > > All of these except the last two ( as discussed ) have landed in the > > -fixes tree > > > > https://gitlab.freedesktop.org/drm/msm/-/commit/6808abdb33bf90330e70a687d29f038507e06ebb > > Ah, perfect, thanks. > > When do you expect to send these on so that they end up in linux-next > and eventually Linus's tree? I'll send a -fixes PR this week > Note that it looks like something happened with the commit messages when > you applied these. Specifically, the Fixes tags appears to now have a > line break in them and there's also some random whitespace before your > SoB: > > Fixes: c3bf8e21 > > ("drm/msm/dp: Add eDP support via aux_bus") naw, that is just some problem with gitlab's html generation, the actual patch is fine ;-) BR, -R > Cc: stable@xxxxxxxxxxxxxxx # 5.19 > Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> > Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx> > Tested-by: Kuogee Hsieh <quic_khsieh@xxxxxxxxxxx> > Reviewed-by: Kuogee Hsieh <quic_khsieh@xxxxxxxxxxx> > Patchwork: https://patchwork.freedesktop.org/patch/502667/ > Link: https://lore.kernel.org/r/20220913085320.8577-8-johan+linaro@xxxxxxxxxx > > > Signed-off-by: Abhinav Kumar's avatarAbhinav Kumar <quic_abhinavk@xxxxxxxxxxx> > > It's possible just the gitlab UI that's messed up, but perhaps you can > double check before they hit linux-next, which should complain about > this otherwise. > > Johan
