On 9/14/22 08:52, Hyeonggon Yoo wrote: Thanks for the Cc. > On Tue, Sep 13, 2022 at 07:00:01PM -0700, Peter Collingbourne wrote: >> We were failing to call kasan_malloc() from __kmalloc_*track_caller() >> which was causing us to sometimes fail to produce KASAN error reports >> for allocations made using e.g. devm_kcalloc(), as the KASAN poison was >> not being initialized. Fix it. >> >> Signed-off-by: Peter Collingbourne <pcc@xxxxxxxxxx> >> Cc: <stable@xxxxxxxxxxxxxxx> # 5.15 >> --- >> The same problem is being fixed upstream in: The "upstream" here is now only in -next, not mainline yet, so we still have more options at this point. >> https://lore.kernel.org/all/20220817101826.236819-6-42.hyeyoo@xxxxxxxxx/ >> as part of a larger patch series, but this more targeted fix seems >> more suitable for the stable kernel. Hyeonggon, maybe you can add >> this patch to the start of your series and it can be picked up >> by the stable maintainers. ... > > Ah, I should have sent it to stable team ;) > > I think "Option 3" in Documentation/process/stable-kernel-rules.rst will be appropriate, > So will resend this after the series goes to Linus's tree. I'll pick this for sending to Linus after rc6, which means the series in slab.git / -next will afterwards cause a trivial conflict to resolve when merging. AFAIK Linus prefers that over late rebasing. It will also make it simple for stable. > Thank you Peter! >