On Sat, Aug 10, 2024 at 01:16:45AM +0000, Kevin Berry wrote: > Hi folks, in order to fix CVE-2024-39472 in kernels 5.15, 6.1, and 6.6, > I have adapted the mainline patch 45cf976008dd (xfs: fix log recovery > buffer allocation for the legacy h_size fixup) to resolve conflicts > with those kernels. Specifically, the mainline patch uses kvfree, but > the amended patch uses kmem_free since kmem_free was used in xfs until > patch 49292576136f (xfs: convert kmem_free() for kvmalloc users to > kvfree()). > > I tested the patch by applying it to the above kernels and recompiling > them. I also ran xfstests on the 6.6.43 kernel with the patch applied. > In my initial xfstests run, all xfs and generic tests passed except for > generic/082, generic/269, generic/627, and xfs/155, but those tests all > passed on a second run. I'm assuming those initial failures were > unrelated to this patch, unless someone more familiar with those tests > thinks otherwise. > > I'd be more than happy to do any more verification or tests if they're > required. Thanks! Note, for xfs changes, you do need to actually cc: the xfs developers :( Please do so in the future... thanks, greg k-h
