On Fri, 19 Aug 2022, Pavel Machek wrote: > Hi! > > > From: Mikulas Patocka <mpatocka@xxxxxxxxxx> > > > > commit d17f744e883b2f8d13cca252d71cfe8ace346f7d upstream. > > > > There's a KASAN warning in raid10_remove_disk when running the lvm > > test lvconvert-raid-reshape.sh. We fix this warning by verifying that the > > value "number" is valid. > > > > BUG: KASAN: slab-out-of-bounds in raid10_remove_disk+0x61/0x2a0 [raid10] > > Read of size 8 at addr ffff889108f3d300 by task mdX_raid10/124682 > > Is this place for array_index_nospec? > > Best regards, > Pavel Hi I think it is not needed - userspace code can't trigger this code path at will. Mikulas
