* Hugh Dickins <hughd@xxxxxxxxxx> [220713 11:56]: > On Wed, 13 Jul 2022, Liam Howlett wrote: > > * David Hildenbrand <david@xxxxxxxxxx> [220713 04:34]: > > > On 12.07.22 16:24, Liam Howlett wrote: > > > > When building with C=1, the maple tree had some rcu type mismatch & > > > > locking mismatches in the destroy functions. There were cosmetic only > > > > since this happens after the nodes are removed from the tree. > > > > > > > > Fixes: f8acc5e9581e (Maple Tree: add new data structure) > > > > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > > > Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx> > > > > > > Sorry to say, but the fixes become hard to follow (what/where/why). :) > > > > > > I guess it's time for a new series soon. Eventually it makes sense to > > > send the fixes as reply to the individual problematic patches. (instead > > > of fixes to commit ids that are not upstream) > > > > > > [yes, I'll do more review soon :) ] > > > > I appreciate the feedback, it's much better than yelling into the void. > > I have one more fix in the works - for __vma_adjust() of all functions > > so that'll be impossible to follow anyways :) I'll work on a v11 to > > include that last one. > > Please do also post the incremental for that "one more fix" once it's > ready: I have been keeping up with what you've been posting so far, > folding them into my debugging here, and believe we have made some but > still not enough progress on the bugs I hit. Folding in one more fix > will be easy for me, advancing to v11 of a 69-part patchset will be... > dispiriting. Okay, thanks. I don't think it will fix your outstanding issues but it is necessary to fix case 6 of vma_merge() on memory allocation failure as reported by syzbot.
