On 11/18/22 18:11, Kees Cook wrote: > On Fri, Nov 18, 2022 at 11:32:36AM +0100, Vlastimil Babka wrote: >> On 11/18/22 04:56, Kees Cook wrote: >> > With all "silently resizing" callers of ksize() refactored, remove the >> >> At cursory look seems it's true now in -next (but not mainline?) can you >> confirm? > > Almost, yes. I realized there is 1 case in the BPF verifier that > remains. (I thought it was picked up, but only a prereq patch was.) I'm > going to resend that one today, but I would expect it to be picked > up soon. (But, yes, definitely not for mainline.) > >> That would probably be safe enough to have slab.git expose this to -next now >> and time a PR appropriately in the next merge window? > > Possibly. I suspect syzkaller might trip KASAN on any larger BPF tests > until I get the last one landed. And if you don't want to do the timing > of the PR, I can carry this patch in my hardening tree, since I already > have to do a two-part early/late-merge-window PR there. OK I'm fine with you doing that, there's my ack already, hopefully Andrey is now also happy :) Vlastimil
