On Thu, Apr 18, 2024 at 8:56 AM Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote: > > Adding the KASAN maintainer so that we actuall have a chane of > fixing this instead of a rant that just gets lost on the xfs list.. > Thanks. > On Thu, Apr 18, 2024 at 03:04:24PM +1000, Dave Chinner wrote: > > The only krealloc() in this path is: > > > > new = krealloc(ifp->if_data, new_size, > > GFP_KERNEL | __GFP_NOLOCKDEP | __GFP_NOFAIL); > > > > And it explicitly uses __GFP_NOLOCKDEP to tell lockdep not to warn > > about this allocation because of this false positive situation. > > > > Oh. I've seen this before. This is a KASAN bug, and I'm pretty sure > > I've posted a patch to fix it a fair while back that nobody seemed > > to care about enough to review or merge it. > > Sorry, must have been my bad. I didn't find the actual patch though, only proposed way to fix this bug: https://lkml.kernel.org/r/%3C20230119045253.GI360264@xxxxxxxxxxxxxxxxxxx%3E So I'll cook patch and will send it shortly.
